108221668 has 12 divisors (see below), whose sum is σ = 189714672. Its totient is φ = 54017480.

The previous prime is 108221621. The next prime is 108221671. The reversal of 108221668 is 866122801.

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, 20698 + ... + 25393.

It is an arithmetic number, because the mean of its divisors is an integer number (15809556).

Almost surely, 2^108221668 is an apocalyptic number.

It is an amenable number.

108221668 is a deficient number, since it is larger than the sum of its proper divisors (81493004).

108221668 is a wasteful number, since it uses less digits than its factorization.

108221668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46682 (or 46680 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 108221668 is about 10402.9643852125. The cubic root of 108221668 is about 476.5459040635.

The spelling of 108221668 in words is "one hundred eight million, two hundred twenty-one thousand, six hundred sixty-eight".