22027091968 has 120 divisors (see below), whose sum is σ = 50723316000. Its totient is φ = 9369550848.

The previous prime is 22027091929. The next prime is 22027092029. The reversal of 22027091968 is 86919072022.

It is a super-2 number, since 2×22027091968² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17087868 + ... + 17089156.

It is an arithmetic number, because the mean of its divisors is an integer number (422694300).

Almost surely, 2^22027091968 is an apocalyptic number.

22027091968 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 22027091968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25361658000).

22027091968 is an abundant number, since it is smaller than the sum of its proper divisors (28696224032).

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

22027091968 is an equidigital number, since it uses as much as digits as its factorization.

22027091968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 22027091968 in words is "twenty-two billion, twenty-seven million, ninety-one thousand, nine hundred sixty-eight".