225172678568 has 32 divisors (see below), whose sum is σ = 422839653600. Its totient is φ = 112415542848.

The previous prime is 225172678529. The next prime is 225172678589. The reversal of 225172678568 is 865876271522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26365643 + ... + 26374181.

It is an arithmetic number, because the mean of its divisors is an integer number (13213739175).

Almost surely, 2^225172678568 is an apocalyptic number.

It is an amenable number.

225172678568 is a deficient number, since it is larger than the sum of its proper divisors (197666975032).

225172678568 is a wasteful number, since it uses less digits than its factorization.

225172678568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13157 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 59.

The spelling of 225172678568 in words is "two hundred twenty-five billion, one hundred seventy-two million, six hundred seventy-eight thousand, five hundred sixty-eight".