22929947568 has 240 divisors, whose sum is σ = 73293023232. Its totient is φ = 6628608000.

The previous prime is 22929947549. The next prime is 22929947569. The reversal of 22929947568 is 86574992922.

22929947568 is a `hidden beast` number, since 2 + 2 + 9 + 29 + 9 + 47 + 568 = 666.

It is a super-2 number, since 2×22929947568² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22929947569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3483096 + ... + 3489672.

Almost surely, 2^22929947568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22929947568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36646511616).

22929947568 is an abundant number, since it is smaller than the sum of its proper divisors (50363075664).

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

22929947568 is a wasteful number, since it uses less digits than its factorization.

22929947568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6695 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 22929947568 in words is "twenty-two billion, nine hundred twenty-nine million, nine hundred forty-seven thousand, five hundred sixty-eight".