22502525 has 12 divisors (see below), whose sum is σ = 28120224. Its totient is φ = 17862000.

The previous prime is 22502489. The next prime is 22502531. The reversal of 22502525 is 52520522.

It is a happy number.

It is not a de Polignac number, because 22502525 - 2⁶ = 22502461 is a prime.

It is a Duffinian number.

22502525 is a modest number, since divided by 2525 gives 2250 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22502525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (2343352).

Almost surely, 2^22502525 is an apocalyptic number.

22502525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22502525 is a deficient number, since it is larger than the sum of its proper divisors (5617699).

22502525 is a wasteful number, since it uses less digits than its factorization.

22502525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22502525 is about 4743.6826411555. The cubic root of 22502525 is about 282.3213687847.

The spelling of 22502525 in words is "twenty-two million, five hundred two thousand, five hundred twenty-five".