22856914656 has 72 divisors (see below), whose sum is σ = 65098228104. Its totient is φ = 7607381760.

The previous prime is 22856914649. The next prime is 22856914657. The reversal of 22856914656 is 65641965822.

22856914656 is a `hidden beast` number, since 2 + 2 + 8 + 569 + 14 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856914657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130335 + ... + 250401.

It is an arithmetic number, because the mean of its divisors is an integer number (904142057).

Almost surely, 2^22856914656 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 22856914656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32549114052).

22856914656 is an abundant number, since it is smaller than the sum of its proper divisors (42241313448).

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

22856914656 is a wasteful number, since it uses less digits than its factorization.

22856914656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120744 (or 120733 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 22856914656 in words is "twenty-two billion, eight hundred fifty-six million, nine hundred fourteen thousand, six hundred fifty-six".