22216901309568 has 384 divisors, whose sum is σ = 73902843555840. Its totient is φ = 6275211264000.

The previous prime is 22216901309543. The next prime is 22216901309609. The reversal of 22216901309568 is 86590310961222.

22216901309568 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 69 + 0 + 13 + 0 + 9 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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, 287741368 + ... + 287818568.

It is an arithmetic number, because the mean of its divisors is an integer number (192455321760).

Almost surely, 2^{22216901309568} is an apocalyptic number.

22216901309568 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 22216901309568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36951421777920).

22216901309568 is an abundant number, since it is smaller than the sum of its proper divisors (51685942246272).

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

22216901309568 is a wasteful number, since it uses less digits than its factorization.

22216901309568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77636 (or 77621 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 22216901309568 in words is "twenty-two trillion, two hundred sixteen billion, nine hundred one million, three hundred nine thousand, five hundred sixty-eight".