225787265 has 16 divisors (see below), whose sum is σ = 296606016. Its totient is φ = 163636800.

The previous prime is 225787213. The next prime is 225787271. The reversal of 225787265 is 562787522.

It is not a de Polignac number, because 225787265 - 2¹⁰ = 225786241 is a prime.

It is a Duffinian number.

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, 9110 + ... + 23120.

It is an arithmetic number, because the mean of its divisors is an integer number (18537876).

Almost surely, 2^225787265 is an apocalyptic number.

It is an amenable number.

225787265 is a deficient number, since it is larger than the sum of its proper divisors (70818751).

225787265 is a wasteful number, since it uses less digits than its factorization.

225787265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its digits is 470400, while the sum is 44.

The square root of 225787265 is about 15026.2192516947. The cubic root of 225787265 is about 608.9287522827.

The spelling of 225787265 in words is "two hundred twenty-five million, seven hundred eighty-seven thousand, two hundred sixty-five".