22241312231 has 2 divisors, whose sum is σ = 22241312232. Its totient is φ = 22241312230.

The previous prime is 22241312209. The next prime is 22241312237. The reversal of 22241312231 is 13221314222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22241312231 - 2¹⁰ = 22241311207 is a prime.

It is a super-2 number, since 2×22241312231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 22241312197 and 22241312206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120656115 + 11120656116.

It is an arithmetic number, because the mean of its divisors is an integer number (11120656116).

Almost surely, 2^22241312231 is an apocalyptic number.

22241312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241312231 is an equidigital number, since it uses as much as digits as its factorization.

22241312231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

Adding to 22241312231 its reverse (13221314222), we get a palindrome (35462626453).

The spelling of 22241312231 in words is "twenty-two billion, two hundred forty-one million, three hundred twelve thousand, two hundred thirty-one".