22500

22500 is an integer and natural number that lies between 22499 and 22501. In decimal notation it is written as 22500, and in scientific notation it is 2.25 × 10^4.

Its prime factorization is 2^2 × 3^2 × 5^4, which shows that the number is even and has many small-prime factors. As a result, 22500 has 45 positive divisors.

22500 is a perfect square, equal to 150^2. This makes it the square of a multiple of 50 (150) and gives it symmetric factor pairs.

The digit sum of 22500 is 9, so the number is divisible by 9 and by 3. It is also divisible by 100, which implies divisibility by 4 and by 25 as well.

For practical conversions, 22500 seconds equals 6 hours and 15 minutes.