22475572 has 24 divisors (see below), whose sum is σ = 45691520. Its totient is φ = 9473760.

The previous prime is 22475569. The next prime is 22475573. The reversal of 22475572 is 27557422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22475573) 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, 4872 + ... + 8287.

Almost surely, 2^22475572 is an apocalyptic number.

It is an amenable number.

22475572 is an abundant number, since it is smaller than the sum of its proper divisors (23215948).

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

22475572 is a wasteful number, since it uses less digits than its factorization.

22475572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231 (or 13229 counting only the distinct ones).

The product of its digits is 39200, while the sum is 34.

The square root of 22475572 is about 4740.8408536883. The cubic root of 22475572 is about 282.2086044320.

The spelling of 22475572 in words is "twenty-two million, four hundred seventy-five thousand, five hundred seventy-two".