225623288 has 16 divisors (see below), whose sum is σ = 461502360. Its totient is φ = 102556000.

The previous prime is 225623221. The next prime is 225623291. The reversal of 225623288 is 882326522.

It is a congruent number.

It is an unprimeable number.

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, 1281863 + ... + 1282038.

Almost surely, 2^225623288 is an apocalyptic number.

It is an amenable number.

225623288 is an abundant number, since it is smaller than the sum of its proper divisors (235879072).

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

225623288 is a wasteful number, since it uses less digits than its factorization.

225623288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563918 (or 2563914 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 225623288 is about 15020.7618981195. The cubic root of 225623288 is about 608.7813059808.

The spelling of 225623288 in words is "two hundred twenty-five million, six hundred twenty-three thousand, two hundred eighty-eight".