225735172 has 24 divisors (see below), whose sum is σ = 434480256. Its totient is φ = 101967648.

The previous prime is 225735161. The next prime is 225735203. The reversal of 225735172 is 271537522.

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, 43738 + ... + 48625.

It is an arithmetic number, because the mean of its divisors is an integer number (18103344).

Almost surely, 2^225735172 is an apocalyptic number.

It is an amenable number.

225735172 is a deficient number, since it is larger than the sum of its proper divisors (208745084).

225735172 is a wasteful number, since it uses less digits than its factorization.

225735172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92427 (or 92425 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 225735172 is about 15024.4857482711. The cubic root of 225735172 is about 608.8819185735.

The spelling of 225735172 in words is "two hundred twenty-five million, seven hundred thirty-five thousand, one hundred seventy-two".