22103231232 has 36 divisors (see below), whose sum is σ = 58826831000. Its totient is φ = 7367743488.

The previous prime is 22103231231. The next prime is 22103231243. The reversal of 22103231232 is 23213230122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22103231199 and 22103231208.

It is not an unprimeable number, because it can be changed into a prime (22103231231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14389357 + ... + 14390892.

Almost surely, 2^22103231232 is an apocalyptic number.

It is an amenable number.

22103231232 is an abundant number, since it is smaller than the sum of its proper divisors (36723599768).

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

22103231232 is an equidigital number, since it uses as much as digits as its factorization.

22103231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780268 (or 28780254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22103231232 its reverse (23213230122), we get a palindrome (45316461354).

The spelling of 22103231232 in words is "twenty-two billion, one hundred three million, two hundred thirty-one thousand, two hundred thirty-two".