225923172 has 48 divisors (see below), whose sum is σ = 540261120. Its totient is φ = 73446912.

The previous prime is 225923171. The next prime is 225923179. The reversal of 225923172 is 271329522.

225923172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225923171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223404 + ... + 224412.

It is an arithmetic number, because the mean of its divisors is an integer number (11255440).

Almost surely, 2^225923172 is an apocalyptic number.

It is an amenable number.

225923172 is an abundant number, since it is smaller than the sum of its proper divisors (314337948).

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

225923172 is a wasteful number, since it uses less digits than its factorization.

225923172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 225923172 is about 15030.7408999024. The cubic root of 225923172 is about 609.0509042574.

The spelling of 225923172 in words is "two hundred twenty-five million, nine hundred twenty-three thousand, one hundred seventy-two".