22,421 in words
22,421
twenty-two thousand four hundred and twenty-one
22,421 is written twenty-two thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- twenty-two thousand four hundred and twenty-first
- Expanded form
- 20,000 + 2,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 3,203 and 22,421 (4 factors)
- First 10 multiples
- 22,421, 44,842, 67,263, 89,684, 112,105, 134,526, 156,947, 179,368, 201,789, 224,210
- Square
- 22,421 × 22,421 = 502,701,241
- Square root
- ≈ 149.74
- Sum of the digits
- 2 + 2 + 4 + 2 + 1 = 11
- Rounded to the nearest 10
- 22,420
- Rounded to the nearest 100
- 22,400
- Rounded to the nearest 1000
- 22,000
- Number before
- 22,420
- Number after
- 22,422
- In binary
101011110010101
Quick check
What number comes just after 22,421?
Show the answer
22,422
Is 22,421 even or odd?
Show the answer
Odd
What is 22,421 + 10?
Show the answer
22,431
Practise 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 22,421 in words?
22,421 is written "twenty-two thousand four hundred and twenty-one".
Is 22,421 a prime number?
No. 22,421 is a composite number, because it has more than two factors.
What are the factors of 22,421?
The factors of 22,421 are 1, 7, 3,203 and 22,421.