22033232312 has 64 divisors (see below), whose sum is σ = 51417374400. Its totient is φ = 8618480640.

The previous prime is 22033232311. The next prime is 22033232321. The reversal of 22033232312 is 21323233022.

It is a super-2 number, since 2×22033232312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033232311) 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, 105239 + ... + 234822.

It is an arithmetic number, because the mean of its divisors is an integer number (803396475).

Almost surely, 2^22033232312 is an apocalyptic number.

It is an amenable number.

22033232312 is an abundant number, since it is smaller than the sum of its proper divisors (29384142088).

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

22033232312 is a wasteful number, since it uses less digits than its factorization.

22033232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340176 (or 340172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22033232312 its reverse (21323233022), we get a palindrome (43356465334).

The spelling of 22033232312 in words is "twenty-two billion, thirty-three million, two hundred thirty-two thousand, three hundred twelve".