225388886 has 16 divisors (see below), whose sum is σ = 348170064. Its totient is φ = 109365984.

The previous prime is 225388859. The next prime is 225388897. The reversal of 225388886 is 688883522.

It is a congruent number.

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, 5156 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (21760629).

Almost surely, 2^225388886 is an apocalyptic number.

225388886 is a deficient number, since it is larger than the sum of its proper divisors (122781178).

225388886 is a wasteful number, since it uses less digits than its factorization.

225388886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its digits is 1474560, while the sum is 50.

The square root of 225388886 is about 15012.9572703049. The cubic root of 225388886 is about 608.5704101955.

The spelling of 225388886 in words is "two hundred twenty-five million, three hundred eighty-eight thousand, eight hundred eighty-six".