22388673664 has 32 divisors (see below), whose sum is σ = 50974214400. Its totient is φ = 9595145472.

The previous prime is 22388673613. The next prime is 22388673679. The reversal of 22388673664 is 46637688322.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12492784 + ... + 12494575.

It is an arithmetic number, because the mean of its divisors is an integer number (1592944200).

Almost surely, 2^22388673664 is an apocalyptic number.

It is an amenable number.

22388673664 is an abundant number, since it is smaller than the sum of its proper divisors (28585540736).

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

22388673664 is an equidigital number, since it uses as much as digits as its factorization.

22388673664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24987380 (or 24987368 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 55.

The spelling of 22388673664 in words is "twenty-two billion, three hundred eighty-eight million, six hundred seventy-three thousand, six hundred sixty-four".