22042796608 has 84 divisors (see below), whose sum is σ = 51454956780. Its totient is φ = 9340649472.

The previous prime is 22042796569. The next prime is 22042796621. The reversal of 22042796608 is 80669724022.

It can be written as a sum of positive squares in 2 ways, for example, as 15567053824 + 6475742784 = 124768^2 + 80472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239616 + ... + 318592.

Almost surely, 2^22042796608 is an apocalyptic number.

22042796608 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 22042796608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25727478390).

22042796608 is an abundant number, since it is smaller than the sum of its proper divisors (29412160172).

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

22042796608 is an equidigital number, since it uses as much as digits as its factorization.

22042796608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79092 (or 79075 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 22042796608 in words is "twenty-two billion, forty-two million, seven hundred ninety-six thousand, six hundred eight".