225618304 has 32 divisors (see below), whose sum is σ = 461631600. Its totient is φ = 109757952.

The previous prime is 225618299. The next prime is 225618317. The reversal of 225618304 is 403816522.

It is a tau number, because it is divible by the number of its divisors (32).

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, 19084 + ... + 28555.

Almost surely, 2^225618304 is an apocalyptic number.

It is an amenable number.

225618304 is an abundant number, since it is smaller than the sum of its proper divisors (236013296).

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

225618304 is an equidigital number, since it uses as much as digits as its factorization.

225618304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47690 (or 47678 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 225618304 is about 15020.5959935017. The cubic root of 225618304 is about 608.7768233047.

The spelling of 225618304 in words is "two hundred twenty-five million, six hundred eighteen thousand, three hundred four".