22905316544 has 112 divisors (see below), whose sum is σ = 54464590080. Its totient is φ = 9434557440.

The previous prime is 22905316531. The next prime is 22905316561. The reversal of 22905316544 is 44561350922.

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, 270422 + ... + 344874.

Almost surely, 2^22905316544 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 22905316544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27232295040).

22905316544 is an abundant number, since it is smaller than the sum of its proper divisors (31559273536).

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

22905316544 is a wasteful number, since it uses less digits than its factorization.

22905316544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74518 (or 74508 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 22905316544 in words is "twenty-two billion, nine hundred five million, three hundred sixteen thousand, five hundred forty-four".