438,221 in words
438,221
four hundred thirty-eight thousand two hundred twenty-one
438,221 is written four hundred thirty-eight thousand two hundred twenty-one.
Ways to write it
- As an ordinal
- four hundred thirty-eight thousand two hundred twenty-first
- Expanded form
- 400,000 + 30,000 + 8,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 3 | 30,000 |
| thousands | 8 | 8,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 62,603 and 438,221 (4 factors)
- First 10 multiples
- 438,221, 876,442, 1,314,663, 1,752,884, 2,191,105, 2,629,326, 3,067,547, 3,505,768, 3,943,989, 4,382,210
- Square
- 438,221 × 438,221 = 192,037,644,841
- Square root
- ≈ 661.98
- Sum of the digits
- 4 + 3 + 8 + 2 + 2 + 1 = 20
- Rounded to the nearest 10
- 438,220
- Rounded to the nearest 100
- 438,200
- Rounded to the nearest 1000
- 438,000
- Number before
- 438,220
- Number after
- 438,222
- In binary
1101010111111001101
Quick check
What number comes just after 438,221?
Show the answer
438,222
Is 438,221 even or odd?
Show the answer
Odd
What is 438,221 + 10?
Show the answer
438,231
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 438,221 in words?
438,221 is written "four hundred thirty-eight thousand two hundred twenty-one".
Is 438,221 a prime number?
No. 438,221 is a composite number, because it has more than two factors.
What are the factors of 438,221?
The factors of 438,221 are 1, 7, 62,603 and 438,221.