225527166 has 20 divisors (see below), whose sum is σ = 505348272. Its totient is φ = 75175668.

The previous prime is 225527153. The next prime is 225527189. The reversal of 225527166 is 661725522.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225527166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 695910 + ... + 696233.

Almost surely, 2^225527166 is an apocalyptic number.

225527166 is an abundant number, since it is smaller than the sum of its proper divisors (279821106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225527166 is a wasteful number, since it uses less digits than its factorization.

225527166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392157 (or 1392148 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 225527166 is about 15017.5619192997. The cubic root of 225527166 is about 608.6948409278.

The spelling of 225527166 in words is "two hundred twenty-five million, five hundred twenty-seven thousand, one hundred sixty-six".