22131322323 has 8 divisors (see below), whose sum is σ = 32191014336. Its totient is φ = 13412922600.

The previous prime is 22131322289. The next prime is 22131322351. The reversal of 22131322323 is 32322313122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22131322323 - 2⁸ = 22131322067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22131322293 and 22131322302.

It is not an unprimeable number, because it can be changed into a prime (22131322373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335323033 + ... + 335323098.

It is an arithmetic number, because the mean of its divisors is an integer number (4023876792).

Almost surely, 2^22131322323 is an apocalyptic number.

22131322323 is a deficient number, since it is larger than the sum of its proper divisors (10059692013).

22131322323 is a wasteful number, since it uses less digits than its factorization.

22131322323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670646145.

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

Adding to 22131322323 its reverse (32322313122), we get a palindrome (54453635445).

The spelling of 22131322323 in words is "twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-three".