22012208008 has 64 divisors (see below), whose sum is σ = 47888064000. Its totient is φ = 9290391552.

The previous prime is 22012207993. The next prime is 22012208011. The reversal of 22012208008 is 80080221022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935528 + ... + 2943016.

It is an arithmetic number, because the mean of its divisors is an integer number (748251000).

Almost surely, 2^22012208008 is an apocalyptic number.

22012208008 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 22012208008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23944032000).

22012208008 is an abundant number, since it is smaller than the sum of its proper divisors (25875855992).

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

22012208008 is a wasteful number, since it uses less digits than its factorization.

22012208008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 22012208008 in words is "twenty-two billion, twelve million, two hundred eight thousand, eight".