225572564 has 12 divisors (see below), whose sum is σ = 451145184. Its totient is φ = 96673944.

The previous prime is 225572563. The next prime is 225572623. The reversal of 225572564 is 465275522.

It is a happy number.

225572564 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225572563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028054 + ... + 4028109.

It is an arithmetic number, because the mean of its divisors is an integer number (37595432).

Almost surely, 2^225572564 is an apocalyptic number.

It is an amenable number.

225572564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225572564 is a wasteful number, since it uses less digits than its factorization.

225572564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056174 (or 8056172 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 225572564 is about 15019.0733402564. The cubic root of 225572564 is about 608.7356810549.

The spelling of 225572564 in words is "two hundred twenty-five million, five hundred seventy-two thousand, five hundred sixty-four".