22008265008 has 80 divisors (see below), whose sum is σ = 60428560896. Its totient is φ = 6878233600.

The previous prime is 22008264997. The next prime is 22008265021. The reversal of 22008265008 is 80056280022.

It is a self number, because there is not a number n which added to its sum of digits gives 22008265008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163333 + ... + 265883.

Almost surely, 2^22008265008 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 22008265008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30214280448).

22008265008 is an abundant number, since it is smaller than the sum of its proper divisors (38420295888).

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

22008265008 is a wasteful number, since it uses less digits than its factorization.

22008265008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102842 (or 102836 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 22008265008 in words is "twenty-two billion, eight million, two hundred sixty-five thousand, eight".