22562900 has 18 divisors (see below), whose sum is σ = 48961710. Its totient is φ = 9025120.

The previous prime is 22562887. The next prime is 22562909. The reversal of 22562900 is 926522.

It can be written as a sum of positive squares in 3 ways, for example, as 8031556 + 14531344 = 2834^2 + 3812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22562900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22562909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112715 + ... + 112914.

It is an arithmetic number, because the mean of its divisors is an integer number (2720095).

Almost surely, 2^22562900 is an apocalyptic number.

22562900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22562900 is an abundant number, since it is smaller than the sum of its proper divisors (26398810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22562900 is a wasteful number, since it uses less digits than its factorization.

22562900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225643 (or 225636 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22562900 is about 4750.0421050765. The cubic root of 22562900 is about 282.5736357502.

The spelling of 22562900 in words is "twenty-two million, five hundred sixty-two thousand, nine hundred".