22391798267 has 2 divisors, whose sum is σ = 22391798268. Its totient is φ = 22391798266.

The previous prime is 22391798239. The next prime is 22391798293. The reversal of 22391798267 is 76289719322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22391798267 is a prime.

It is not a weakly prime, because it can be changed into another prime (22391798467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195899133 + 11195899134.

It is an arithmetic number, because the mean of its divisors is an integer number (11195899134).

Almost surely, 2^22391798267 is an apocalyptic number.

22391798267 is a deficient number, since it is larger than the sum of its proper divisors (1).

22391798267 is an equidigital number, since it uses as much as digits as its factorization.

22391798267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The spelling of 22391798267 in words is "twenty-two billion, three hundred ninety-one million, seven hundred ninety-eight thousand, two hundred sixty-seven".