22212123232 has 48 divisors (see below), whose sum is σ = 47138257152. Its totient is φ = 10242109440.

The previous prime is 22212123229. The next prime is 22212123289. The reversal of 22212123232 is 23232121222.

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, 427632 + ... + 476752.

It is an arithmetic number, because the mean of its divisors is an integer number (982047024).

Almost surely, 2^22212123232 is an apocalyptic number.

It is an amenable number.

22212123232 is an abundant number, since it is smaller than the sum of its proper divisors (24926133920).

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

22212123232 is a wasteful number, since it uses less digits than its factorization.

22212123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50231 (or 50223 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

Adding to 22212123232 its reverse (23232121222), we get a palindrome (45444244454).

The spelling of 22212123232 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, two hundred thirty-two".