422312125442279 has 2 divisors, whose sum is σ = 422312125442280. Its totient is φ = 422312125442278.

The previous prime is 422312125442209. The next prime is 422312125442297. The reversal of 422312125442279 is 972244521213224.

Together with next prime (422312125442297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422312125442279 is a prime.

It is a super-2 number, since 2×422312125442279² (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 (422312125442209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211156062721139 + 211156062721140.

It is an arithmetic number, because the mean of its divisors is an integer number (211156062721140).

Almost surely, 2^{422312125442279} is an apocalyptic number.

422312125442279 is a deficient number, since it is larger than the sum of its proper divisors (1).

422312125442279 is an equidigital number, since it uses as much as digits as its factorization.

422312125442279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 50.

The spelling of 422312125442279 in words is "four hundred twenty-two trillion, three hundred twelve billion, one hundred twenty-five million, four hundred forty-two thousand, two hundred seventy-nine".