22442424391 has 2 divisors, whose sum is σ = 22442424392. Its totient is φ = 22442424390.

The previous prime is 22442424373. The next prime is 22442424437. The reversal of 22442424391 is 19342424422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22442424391 - 2²⁷ = 22308206663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22442424391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442424311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221212195 + 11221212196.

It is an arithmetic number, because the mean of its divisors is an integer number (11221212196).

Almost surely, 2^22442424391 is an apocalyptic number.

22442424391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442424391 is an equidigital number, since it uses as much as digits as its factorization.

22442424391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 37.

The spelling of 22442424391 in words is "twenty-two billion, four hundred forty-two million, four hundred twenty-four thousand, three hundred ninety-one".