22000123232 has 48 divisors (see below), whose sum is σ = 46210781232. Its totient is φ = 10273935360.

The previous prime is 22000123219. The next prime is 22000123241. The reversal of 22000123232 is 23232100022.

It is a super-2 number, since 2×22000123232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22000123232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83093 + ... + 225620.

It is an arithmetic number, because the mean of its divisors is an integer number (962724609).

Almost surely, 2^22000123232 is an apocalyptic number.

It is an amenable number.

22000123232 is an abundant number, since it is smaller than the sum of its proper divisors (24210658000).

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

22000123232 is a wasteful number, since it uses less digits than its factorization.

22000123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308871 (or 308863 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22000123232 its reverse (23232100022), we get a palindrome (45232223254).

The spelling of 22000123232 in words is "twenty-two billion, one hundred twenty-three thousand, two hundred thirty-two".