22231222213241 has 2 divisors, whose sum is σ = 22231222213242. Its totient is φ = 22231222213240.

The previous prime is 22231222213183. The next prime is 22231222213261. The reversal of 22231222213241 is 14231222213222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15644279431225 + 6586942782016 = 3955285^2 + 2566504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22231222213241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22231222213261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115611106620 + 11115611106621.

It is an arithmetic number, because the mean of its divisors is an integer number (11115611106621).

Almost surely, 2^{22231222213241} is an apocalyptic number.

It is an amenable number.

22231222213241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231222213241 is an equidigital number, since it uses as much as digits as its factorization.

22231222213241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 22231222213241 its reverse (14231222213222), we get a palindrome (36462444426463).

The spelling of 22231222213241 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred forty-one".