22117868 has 12 divisors (see below), whose sum is σ = 39341232. Its totient is φ = 10877520.

The previous prime is 22117853. The next prime is 22117873. The reversal of 22117868 is 86871122.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 45080 + ... + 45567.

It is an arithmetic number, because the mean of its divisors is an integer number (3278436).

Almost surely, 2^22117868 is an apocalyptic number.

It is an amenable number.

22117868 is a deficient number, since it is larger than the sum of its proper divisors (17223364).

22117868 is a wasteful number, since it uses less digits than its factorization.

22117868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90712 (or 90710 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 22117868 is about 4702.9637464050. The cubic root of 22117868 is about 280.7034523043.

The spelling of 22117868 in words is "twenty-two million, one hundred seventeen thousand, eight hundred sixty-eight".