22112000008 has 64 divisors (see below), whose sum is σ = 48014064000. Its totient is φ = 9351078912.

The previous prime is 22111999997. The next prime is 22112000033. The reversal of 22112000008 is 80000021122.

It is a junction number, because it is equal to n+sod(n) for n = 22111999955 and 22112000000.

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, 1441483 + ... + 1456741.

It is an arithmetic number, because the mean of its divisors is an integer number (750219750).

Almost surely, 2^22112000008 is an apocalyptic number.

22112000008 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 22112000008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24007032000).

22112000008 is an abundant number, since it is smaller than the sum of its proper divisors (25902063992).

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

22112000008 is a wasteful number, since it uses less digits than its factorization.

22112000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614 (or 15610 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 22112000008 in words is "twenty-two billion, one hundred twelve million, eight", and thus it is an aban number.