22568894868 has 192 divisors, whose sum is σ = 60850944000. Its totient is φ = 6452835840.

The previous prime is 22568894851. The next prime is 22568894869. The reversal of 22568894868 is 86849886522.

It is a junction number, because it is equal to n+sod(n) for n = 22568894799 and 22568894808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22568894869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48956158 + ... + 48956618.

It is an arithmetic number, because the mean of its divisors is an integer number (316932000).

Almost surely, 2^22568894868 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 22568894868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30425472000).

22568894868 is an abundant number, since it is smaller than the sum of its proper divisors (38282049132).

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

22568894868 is a wasteful number, since it uses less digits than its factorization.

22568894868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 66.

The spelling of 22568894868 in words is "twenty-two billion, five hundred sixty-eight million, eight hundred ninety-four thousand, eight hundred sixty-eight".