22112568984 has 192 divisors, whose sum is σ = 64592035200. Its totient is φ = 6281763840.

The previous prime is 22112568983. The next prime is 22112569007. The reversal of 22112568984 is 48986521122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112568983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15155247 + ... + 15156705.

It is an arithmetic number, because the mean of its divisors is an integer number (336416850).

Almost surely, 2^22112568984 is an apocalyptic number.

22112568984 is a gapful number since it is divisible by the number (24) 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 22112568984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32296017600).

22112568984 is an abundant number, since it is smaller than the sum of its proper divisors (42479466216).

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

22112568984 is a wasteful number, since it uses less digits than its factorization.

22112568984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1799 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 22112568984 in words is "twenty-two billion, one hundred twelve million, five hundred sixty-eight thousand, nine hundred eighty-four".