22013149504 has 56 divisors (see below), whose sum is σ = 46127273760. Its totient is φ = 10394205696.

The previous prime is 22013149439. The next prime is 22013149513. The reversal of 22013149504 is 40594131022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356919 + ... + 414025.

Almost surely, 2^22013149504 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 22013149504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23063636880).

22013149504 is an abundant number, since it is smaller than the sum of its proper divisors (24114124256).

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

22013149504 is a wasteful number, since it uses less digits than its factorization.

22013149504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57455 (or 57445 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 22013149504 in words is "twenty-two billion, thirteen million, one hundred forty-nine thousand, five hundred four".