22013509252 has 48 divisors (see below), whose sum is σ = 44402068480. Its totient is φ = 9354271392.

The previous prime is 22013509211. The next prime is 22013509303. The reversal of 22013509252 is 25290531022.

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, 1998103 + ... + 2009089.

Almost surely, 2^22013509252 is an apocalyptic number.

It is an amenable number.

22013509252 is an abundant number, since it is smaller than the sum of its proper divisors (22388559228).

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

22013509252 is a wasteful number, since it uses less digits than its factorization.

22013509252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600 (or 11598 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 22013509252 in words is "twenty-two billion, thirteen million, five hundred nine thousand, two hundred fifty-two".