22313122231 has 2 divisors, whose sum is σ = 22313122232. Its totient is φ = 22313122230.

The previous prime is 22313122193. The next prime is 22313122243. The reversal of 22313122231 is 13222131322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22313122231 - 2⁷ = 22313122103 is a prime.

It is a super-3 number, since 3×22313122231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22313122291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156561115 + 11156561116.

It is an arithmetic number, because the mean of its divisors is an integer number (11156561116).

Almost surely, 2^22313122231 is an apocalyptic number.

22313122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22313122231 is an equidigital number, since it uses as much as digits as its factorization.

22313122231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

Adding to 22313122231 its reverse (13222131322), we get a palindrome (35535253553).

Subtracting from 22313122231 its reverse (13222131322), we obtain a palindrome (9090990909).

The spelling of 22313122231 in words is "twenty-two billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred thirty-one".