225564252 has 12 divisors (see below), whose sum is σ = 526316616. Its totient is φ = 75188080.

The previous prime is 225564223. The next prime is 225564263. The reversal of 225564252 is 252465522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9398499 + ... + 9398522.

It is an arithmetic number, because the mean of its divisors is an integer number (43859718).

Almost surely, 2^225564252 is an apocalyptic number.

It is an amenable number.

225564252 is an abundant number, since it is smaller than the sum of its proper divisors (300752364).

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

225564252 is a wasteful number, since it uses less digits than its factorization.

225564252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18797028 (or 18797026 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 225564252 is about 15018.7966228989. The cubic root of 225564252 is about 608.7282039737.

The spelling of 225564252 in words is "two hundred twenty-five million, five hundred sixty-four thousand, two hundred fifty-two".