22231131269 has 2 divisors, whose sum is σ = 22231131270. Its totient is φ = 22231131268.

The previous prime is 22231131191. The next prime is 22231131283. The reversal of 22231131269 is 96213113222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12213123169 + 10018008100 = 110513^2 + 100090^2 .

It is a cyclic number.

It is not a de Polignac number, because 22231131269 - 2¹² = 22231127173 is a prime.

It is a super-2 number, since 2×22231131269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21231131269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115565634 + 11115565635.

It is an arithmetic number, because the mean of its divisors is an integer number (11115565635).

Almost surely, 2^22231131269 is an apocalyptic number.

It is an amenable number.

22231131269 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231131269 is an equidigital number, since it uses as much as digits as its factorization.

22231131269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The spelling of 22231131269 in words is "twenty-two billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred sixty-nine".