22525788 has 24 divisors (see below), whose sum is σ = 52785040. Its totient is φ = 7476480.

The previous prime is 22525781. The next prime is 22525801. The reversal of 22525788 is 88752522.

It is a happy number.

It is a super-2 number, since 2×22525788² = 1014822250041888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003 + ... + 6786.

Almost surely, 2^22525788 is an apocalyptic number.

It is an amenable number.

22525788 is an abundant number, since it is smaller than the sum of its proper divisors (30259252).

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

22525788 is a wasteful number, since it uses less digits than its factorization.

22525788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037 (or 8035 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 22525788 is about 4746.1340056935. The cubic root of 22525788 is about 282.4186227611.

The spelling of 22525788 in words is "twenty-two million, five hundred twenty-five thousand, seven hundred eighty-eight".