22103131232 has 48 divisors (see below), whose sum is σ = 53557594272. Its totient is φ = 8744094720.

The previous prime is 22103131217. The next prime is 22103131241. The reversal of 22103131232 is 23213130122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792269 + ... + 3798092.

It is an arithmetic number, because the mean of its divisors is an integer number (1115783214).

Almost surely, 2^22103131232 is an apocalyptic number.

It is an amenable number.

22103131232 is an abundant number, since it is smaller than the sum of its proper divisors (31454463040).

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

22103131232 is a wasteful number, since it uses less digits than its factorization.

22103131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590391 (or 7590383 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22103131232 its reverse (23213130122), we get a palindrome (45316261354).

The spelling of 22103131232 in words is "twenty-two billion, one hundred three million, one hundred thirty-one thousand, two hundred thirty-two".