22965191 has 2 divisors, whose sum is σ = 22965192. Its totient is φ = 22965190.

The previous prime is 22965169. The next prime is 22965193. The reversal of 22965191 is 19156922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22965191 - 2⁶ = 22965127 is a prime.

Together with 22965193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22965193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482595 + 11482596.

It is an arithmetic number, because the mean of its divisors is an integer number (11482596).

Almost surely, 2^22965191 is an apocalyptic number.

22965191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22965191 is an equidigital number, since it uses as much as digits as its factorization.

22965191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 22965191 is about 4792.2010600558. The cubic root of 22965191 is about 284.2431586415.

The spelling of 22965191 in words is "twenty-two million, nine hundred sixty-five thousand, one hundred ninety-one".