225315868 has 12 divisors (see below), whose sum is σ = 398368432. Its totient is φ = 111496320.

The previous prime is 225315823. The next prime is 225315901. The reversal of 225315868 is 868513522.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 225315868.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 289968 + ... + 290743.

Almost surely, 2^225315868 is an apocalyptic number.

It is an amenable number.

225315868 is a deficient number, since it is larger than the sum of its proper divisors (173052564).

225315868 is a wasteful number, since it uses less digits than its factorization.

225315868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580812 (or 580810 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 225315868 is about 15010.5252406436. The cubic root of 225315868 is about 608.5046846925.

The spelling of 225315868 in words is "two hundred twenty-five million, three hundred fifteen thousand, eight hundred sixty-eight".