225297160 has 48 divisors (see below), whose sum is σ = 557203500. Its totient is φ = 81924480.

The previous prime is 225297157. The next prime is 225297187. The reversal of 225297160 is 61792522.

It can be written as a sum of positive squares in 2 ways, for example, as 212751396 + 12545764 = 14586^2 + 3542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18435 + ... + 28114.

Almost surely, 2^225297160 is an apocalyptic number.

225297160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225297160 is an abundant number, since it is smaller than the sum of its proper divisors (331906340).

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

225297160 is a wasteful number, since it uses less digits than its factorization.

225297160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46582 (or 46567 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 225297160 is about 15009.9020649703. The cubic root of 225297160 is about 608.4878428239.

The spelling of 225297160 in words is "two hundred twenty-five million, two hundred ninety-seven thousand, one hundred sixty".