22105313232 has 40 divisors (see below), whose sum is σ = 57110719680. Its totient is φ = 7367750400.

The previous prime is 22105313201. The next prime is 22105313257. The reversal of 22105313232 is 23231350122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 975244 + ... + 997652.

It is an arithmetic number, because the mean of its divisors is an integer number (1427767992).

Almost surely, 2^22105313232 is an apocalyptic number.

It is an amenable number.

22105313232 is an abundant number, since it is smaller than the sum of its proper divisors (35005406448).

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

22105313232 is a wasteful number, since it uses less digits than its factorization.

22105313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42971 (or 42965 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 22105313232 its reverse (23231350122), we get a palindrome (45336663354).

The spelling of 22105313232 in words is "twenty-two billion, one hundred five million, three hundred thirteen thousand, two hundred thirty-two".