225656265 has 16 divisors (see below), whose sum is σ = 361238400. Its totient is φ = 120287232.

The previous prime is 225656237. The next prime is 225656281. The reversal of 225656265 is 562656522.

It is not a de Polignac number, because 225656265 - 2¹¹ = 225654217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47676 + ... + 52194.

It is an arithmetic number, because the mean of its divisors is an integer number (22577400).

Almost surely, 2^225656265 is an apocalyptic number.

It is an amenable number.

225656265 is a deficient number, since it is larger than the sum of its proper divisors (135582135).

225656265 is a wasteful number, since it uses less digits than its factorization.

225656265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856.

The product of its digits is 216000, while the sum is 39.

The square root of 225656265 is about 15021.8595719704. The cubic root of 225656265 is about 608.8109642714.

The spelling of 225656265 in words is "two hundred twenty-five million, six hundred fifty-six thousand, two hundred sixty-five".