22997320032 has 96 divisors (see below), whose sum is σ = 60717535200. Its totient is φ = 7621521408.

The previous prime is 22997319979. The next prime is 22997320081. The reversal of 22997320032 is 23002379922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21512394 + ... + 21513462.

It is an arithmetic number, because the mean of its divisors is an integer number (632474325).

Almost surely, 2^22997320032 is an apocalyptic number.

It is an amenable number.

22997320032 is an abundant number, since it is smaller than the sum of its proper divisors (37720215168).

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

22997320032 is a wasteful number, since it uses less digits than its factorization.

22997320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

Adding to 22997320032 its reverse (23002379922), we get a palindrome (45999699954).

The spelling of 22997320032 in words is "twenty-two billion, nine hundred ninety-seven million, three hundred twenty thousand, thirty-two".