22331212332 has 48 divisors (see below), whose sum is σ = 61215635712. Its totient is φ = 6246492480.

The previous prime is 22331212331. The next prime is 22331212349. The reversal of 22331212332 is 23321213322.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22331212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6505048 + ... + 6508479.

It is an arithmetic number, because the mean of its divisors is an integer number (1275325744).

Almost surely, 2^22331212332 is an apocalyptic number.

22331212332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22331212332 is an abundant number, since it is smaller than the sum of its proper divisors (38884423380).

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

22331212332 is a wasteful number, since it uses less digits than its factorization.

22331212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013558 (or 13013556 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 22331212332 its reverse (23321213322), we get a palindrome (45652425654).

The spelling of 22331212332 in words is "twenty-two billion, three hundred thirty-one million, two hundred twelve thousand, three hundred thirty-two".