22713965568 has 880 divisors, whose sum is σ = 85600627200. Its totient is φ = 5852528640.

The previous prime is 22713965479. The next prime is 22713965581. The reversal of 22713965568 is 86556931722.

22713965568 is a `hidden beast` number, since 2 + 2 + 7 + 13 + 9 + 65 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 319914973 + ... + 319915043.

It is an arithmetic number, because the mean of its divisors is an integer number (97273440).

Almost surely, 2^22713965568 is an apocalyptic number.

22713965568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22713965568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42800313600).

22713965568 is an abundant number, since it is smaller than the sum of its proper divisors (62886661632).

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

22713965568 is a wasteful number, since it uses less digits than its factorization.

22713965568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 131 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 22713965568 in words is "twenty-two billion, seven hundred thirteen million, nine hundred sixty-five thousand, five hundred sixty-eight".