422242404242279 has 2 divisors, whose sum is σ = 422242404242280. Its totient is φ = 422242404242278.

The previous prime is 422242404242213. The next prime is 422242404242363. The reversal of 422242404242279 is 972242404242224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422242404242279 - 2⁸ = 422242404242023 is a prime.

It is a super-2 number, since 2×422242404242279² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422242404242479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211121202121139 + 211121202121140.

It is an arithmetic number, because the mean of its divisors is an integer number (211121202121140).

Almost surely, 2^{422242404242279} is an apocalyptic number.

422242404242279 is a deficient number, since it is larger than the sum of its proper divisors (1).

422242404242279 is an equidigital number, since it uses as much as digits as its factorization.

422242404242279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 50.

Subtracting 422242404242279 from its reverse (972242404242224), we obtain a palindrome (549999999999945).

The spelling of 422242404242279 in words is "four hundred twenty-two trillion, two hundred forty-two billion, four hundred four million, two hundred forty-two thousand, two hundred seventy-nine".