22957687368 has 288 divisors, whose sum is σ = 81628560000. Its totient is φ = 5757131520.

The previous prime is 22957687331. The next prime is 22957687387. The reversal of 22957687368 is 86378675922.

22957687368 is a `hidden beast` number, since 2 + 29 + 576 + 8 + 7 + 36 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1115233 + ... + 1135631.

It is an arithmetic number, because the mean of its divisors is an integer number (283432500).

Almost surely, 2^22957687368 is an apocalyptic number.

22957687368 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 22957687368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40814280000).

22957687368 is an abundant number, since it is smaller than the sum of its proper divisors (58670872632).

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

22957687368 is a wasteful number, since it uses less digits than its factorization.

22957687368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20465 (or 20451 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 22957687368 in words is "twenty-two billion, nine hundred fifty-seven million, six hundred eighty-seven thousand, three hundred sixty-eight".