225565868 has 12 divisors (see below), whose sum is σ = 430625832. Its totient is φ = 102529920.

The previous prime is 225565867. The next prime is 225565871. The reversal of 225565868 is 868565522.

It is not an unprimeable number, because it can be changed into a prime (225565867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563205 + ... + 2563292.

It is an arithmetic number, because the mean of its divisors is an integer number (35885486).

Almost surely, 2^225565868 is an apocalyptic number.

It is an amenable number.

225565868 is a deficient number, since it is larger than the sum of its proper divisors (205059964).

225565868 is a wasteful number, since it uses less digits than its factorization.

225565868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126512 (or 5126510 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 225565868 is about 15018.8504220529. The cubic root of 225565868 is about 608.7296576651.

The spelling of 225565868 in words is "two hundred twenty-five million, five hundred sixty-five thousand, eight hundred sixty-eight".