22373980728 has 64 divisors (see below), whose sum is σ = 61039422720. Its totient is φ = 6777830400.

The previous prime is 22373980723. The next prime is 22373980747. The reversal of 22373980728 is 82708937322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22373980723) 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 15 ways as a sum of consecutive naturals, for example, 943173 + ... + 966603.

It is an arithmetic number, because the mean of its divisors is an integer number (953740980).

Almost surely, 2^22373980728 is an apocalyptic number.

It is an amenable number.

22373980728 is an abundant number, since it is smaller than the sum of its proper divisors (38665441992).

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

22373980728 is a wasteful number, since it uses less digits than its factorization.

22373980728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068 (or 27064 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 22373980728 in words is "twenty-two billion, three hundred seventy-three million, nine hundred eighty thousand, seven hundred twenty-eight".