22232322191 has 2 divisors, whose sum is σ = 22232322192. Its totient is φ = 22232322190.

The previous prime is 22232322187. The next prime is 22232322223. The reversal of 22232322191 is 19122323222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22232322191 - 2² = 22232322187 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22232322131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116161095 + 11116161096.

It is an arithmetic number, because the mean of its divisors is an integer number (11116161096).

Almost surely, 2^22232322191 is an apocalyptic number.

22232322191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232322191 is an equidigital number, since it uses as much as digits as its factorization.

22232322191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The spelling of 22232322191 in words is "twenty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred ninety-one".