22144679568 has 240 divisors, whose sum is σ = 69141646080. Its totient is φ = 6559660800.

The previous prime is 22144679527. The next prime is 22144679581. The reversal of 22144679568 is 86597644122.

22144679568 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 4 + 6 + 79 + 568 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19718655 + ... + 19719777.

It is an arithmetic number, because the mean of its divisors is an integer number (288090192).

Almost surely, 2^22144679568 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 22144679568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34570823040).

22144679568 is an abundant number, since it is smaller than the sum of its proper divisors (46996966512).

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

22144679568 is a wasteful number, since it uses less digits than its factorization.

22144679568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1409 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 22144679568 in words is "twenty-two billion, one hundred forty-four million, six hundred seventy-nine thousand, five hundred sixty-eight".