22108859864 has 48 divisors (see below), whose sum is σ = 51300799920. Its totient is φ = 8746358400.

The previous prime is 22108859849. The next prime is 22108859869. The reversal of 22108859864 is 46895880122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22108859869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1158587 + ... + 1177514.

It is an arithmetic number, because the mean of its divisors is an integer number (1068766665).

Almost surely, 2^22108859864 is an apocalyptic number.

It is an amenable number.

22108859864 is an abundant number, since it is smaller than the sum of its proper divisors (29191940056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22108859864 is a wasteful number, since it uses less digits than its factorization.

22108859864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336140 (or 2336123 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 22108859864 in words is "twenty-two billion, one hundred eight million, eight hundred fifty-nine thousand, eight hundred sixty-four".