225510868 has 12 divisors (see below), whose sum is σ = 430520832. Its totient is φ = 102504920.

The previous prime is 225510853. The next prime is 225510869. The reversal of 225510868 is 868015522.

It is a super-2 number, since 2×225510868² = 101710303172226848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225510869) by changing a digit.

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, 2562580 + ... + 2562667.

It is an arithmetic number, because the mean of its divisors is an integer number (35876736).

Almost surely, 2^225510868 is an apocalyptic number.

It is an amenable number.

225510868 is a deficient number, since it is larger than the sum of its proper divisors (205009964).

225510868 is a wasteful number, since it uses less digits than its factorization.

225510868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125262 (or 5125260 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 225510868 is about 15017.0192781391. The cubic root of 225510868 is about 608.6801778790.

The spelling of 225510868 in words is "two hundred twenty-five million, five hundred ten thousand, eight hundred sixty-eight".