225555868 has 12 divisors (see below), whose sum is σ = 395102232. Its totient is φ = 112669520.

The previous prime is 225555851. The next prime is 225555887. The reversal of 225555868 is 868555522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22330 + ... + 30817.

It is an arithmetic number, because the mean of its divisors is an integer number (32925186).

Almost surely, 2^225555868 is an apocalyptic number.

It is an amenable number.

225555868 is a deficient number, since it is larger than the sum of its proper divisors (169546364).

225555868 is a wasteful number, since it uses less digits than its factorization.

225555868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54212 (or 54210 counting only the distinct ones).

The product of its digits is 960000, while the sum is 46.

The square root of 225555868 is about 15018.5175034023. The cubic root of 225555868 is about 608.7206619387.

The spelling of 225555868 in words is "two hundred twenty-five million, five hundred fifty-five thousand, eight hundred sixty-eight".