22119871868 has 12 divisors (see below), whose sum is σ = 38710860552. Its totient is φ = 11059626000.

The previous prime is 22119871867. The next prime is 22119871889. The reversal of 22119871868 is 86817891122.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22119871867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173243 + ... + 272493.

It is an arithmetic number, because the mean of its divisors is an integer number (3225905046).

Almost surely, 2^22119871868 is an apocalyptic number.

It is an amenable number.

22119871868 is a deficient number, since it is larger than the sum of its proper divisors (16590988684).

22119871868 is a wasteful number, since it uses less digits than its factorization.

22119871868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154972 (or 154970 counting only the distinct ones).

The product of its digits is 774144, while the sum is 53.

The spelling of 22119871868 in words is "twenty-two billion, one hundred nineteen million, eight hundred seventy-one thousand, eight hundred sixty-eight".