22989706432 has 56 divisors (see below), whose sum is σ = 56877143040. Its totient is φ = 8957026560.

The previous prime is 22989706417. The next prime is 22989706457. The reversal of 22989706432 is 23460798922.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 22989706432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2327632 + ... + 2337487.

Almost surely, 2^22989706432 is an apocalyptic number.

22989706432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22989706432 is an abundant number, since it is smaller than the sum of its proper divisors (33887436608).

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

22989706432 is a wasteful number, since it uses less digits than its factorization.

22989706432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665149 (or 4665139 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 22989706432 in words is "twenty-two billion, nine hundred eighty-nine million, seven hundred six thousand, four hundred thirty-two".