22502572 has 12 divisors (see below), whose sum is σ = 39412800. Its totient is φ = 11241776.

The previous prime is 22502569. The next prime is 22502573. The reversal of 22502572 is 27520522.

It is not an unprimeable number, because it can be changed into a prime (22502573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7554 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (3284400).

Almost surely, 2^22502572 is an apocalyptic number.

It is an amenable number.

22502572 is a deficient number, since it is larger than the sum of its proper divisors (16910228).

22502572 is a wasteful number, since it uses less digits than its factorization.

22502572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22502572 is about 4743.6875951099. The cubic root of 22502572 is about 282.3215653419.

The spelling of 22502572 in words is "twenty-two million, five hundred two thousand, five hundred seventy-two".