22131231322233 has 16 divisors (see below), whose sum is σ = 32192683065792. Its totient is φ = 13412116992000.

The previous prime is 22131231322201. The next prime is 22131231322247. The reversal of 22131231322233 is 33222313213122.

It is not a de Polignac number, because 22131231322233 - 2⁵ = 22131231322201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22131231322233.

It is not an unprimeable number, because it can be changed into a prime (22131231322273) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18162888 + ... + 19343033.

It is an arithmetic number, because the mean of its divisors is an integer number (2012042691612).

Almost surely, 2^{22131231322233} is an apocalyptic number.

It is an amenable number.

22131231322233 is a deficient number, since it is larger than the sum of its proper divisors (10061451743559).

22131231322233 is a wasteful number, since it uses less digits than its factorization.

22131231322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37523816.

The product of its digits is 15552, while the sum is 30.

Adding to 22131231322233 its reverse (33222313213122), we get a palindrome (55353544535355).

The spelling of 22131231322233 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty-three".