22173755968 has 84 divisors (see below), whose sum is σ = 55122292092. Its totient is φ = 8772019200.

The previous prime is 22173755899. The next prime is 22173755971. The reversal of 22173755968 is 86955737122.

It can be written as a sum of positive squares in 2 ways, for example, as 1749916224 + 20423839744 = 41832^2 + 142912^2 .

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 11 ways as a sum of consecutive naturals, for example, 231183 + ... + 312718.

It is an arithmetic number, because the mean of its divisors is an integer number (656217763).

Almost surely, 2^22173755968 is an apocalyptic number.

22173755968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22173755968 is an abundant number, since it is smaller than the sum of its proper divisors (32948536124).

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

22173755968 is a wasteful number, since it uses less digits than its factorization.

22173755968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543940 (or 543923 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 22173755968 in words is "twenty-two billion, one hundred seventy-three million, seven hundred fifty-five thousand, nine hundred sixty-eight".