225317160 has 64 divisors (see below), whose sum is σ = 751060800. Its totient is φ = 60084288.

The previous prime is 225317159. The next prime is 225317173. The reversal of 225317160 is 61713522.

It is a happy number.

225317160 is a `hidden beast` number, since 2 + 2 + 531 + 71 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103234 + ... + 105393.

It is an arithmetic number, because the mean of its divisors is an integer number (11735325).

Almost surely, 2^225317160 is an apocalyptic number.

225317160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225317160 is an abundant number, since it is smaller than the sum of its proper divisors (525743640).

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

225317160 is a wasteful number, since it uses less digits than its factorization.

225317160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208647 (or 208637 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 225317160 is about 15010.5682770507. The cubic root of 225317160 is about 608.5058477805.

The spelling of 225317160 in words is "two hundred twenty-five million, three hundred seventeen thousand, one hundred sixty".