22045734912 has 192 divisors, whose sum is σ = 63006128640. Its totient is φ = 6830292992.

The previous prime is 22045734889. The next prime is 22045734947. The reversal of 22045734912 is 21943754022.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

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, 8667913 + ... + 8670455.

It is an arithmetic number, because the mean of its divisors is an integer number (328156920).

Almost surely, 2^22045734912 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 22045734912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31503064320).

22045734912 is an abundant number, since it is smaller than the sum of its proper divisors (40960393728).

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

22045734912 is a wasteful number, since it uses less digits than its factorization.

22045734912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 22045734912 in words is "twenty-two billion, forty-five million, seven hundred thirty-four thousand, nine hundred twelve".