22131322351 has 2 divisors, whose sum is σ = 22131322352. Its totient is φ = 22131322350.

The previous prime is 22131322289. The next prime is 22131322373. The reversal of 22131322351 is 15322313122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22131322351 - 2³³ = 13541387759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131322051) 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 as a sum of consecutive naturals, namely, 11065661175 + 11065661176.

It is an arithmetic number, because the mean of its divisors is an integer number (11065661176).

Almost surely, 2^22131322351 is an apocalyptic number.

22131322351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131322351 is an equidigital number, since it uses as much as digits as its factorization.

22131322351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

Adding to 22131322351 its reverse (15322313122), we get a palindrome (37453635473).

The spelling of 22131322351 in words is "twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred fifty-one".