22231221179 has 2 divisors, whose sum is σ = 22231221180. Its totient is φ = 22231221178.

The previous prime is 22231221151. The next prime is 22231221203. The reversal of 22231221179 is 97112213222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22231221179 - 2⁸ = 22231220923 is a prime.

It is not a weakly prime, because it can be changed into another prime (22231221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115610589 + 11115610590.

It is an arithmetic number, because the mean of its divisors is an integer number (11115610590).

Almost surely, 2^22231221179 is an apocalyptic number.

22231221179 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231221179 is an equidigital number, since it uses as much as digits as its factorization.

22231221179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The spelling of 22231221179 in words is "twenty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred seventy-nine".