225492872 has 32 divisors (see below), whose sum is σ = 462520800. Its totient is φ = 102211200.

The previous prime is 225492857. The next prime is 225492937. The reversal of 225492872 is 278294522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29972 + ... + 36732.

It is an arithmetic number, because the mean of its divisors is an integer number (14453775).

Almost surely, 2^225492872 is an apocalyptic number.

225492872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225492872 is an abundant number, since it is smaller than the sum of its proper divisors (237027928).

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

225492872 is a wasteful number, since it uses less digits than its factorization.

225492872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157 (or 7153 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 225492872 is about 15016.4200793665. The cubic root of 225492872 is about 608.6639863462.

The spelling of 225492872 in words is "two hundred twenty-five million, four hundred ninety-two thousand, eight hundred seventy-two".