422312087 has 2 divisors, whose sum is σ = 422312088. Its totient is φ = 422312086.

The previous prime is 422312071. The next prime is 422312153. The reversal of 422312087 is 780213224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422312087 - 2⁴ = 422312071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422312017) 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, 211156043 + 211156044.

It is an arithmetic number, because the mean of its divisors is an integer number (211156044).

Almost surely, 2^422312087 is an apocalyptic number.

422312087 is a deficient number, since it is larger than the sum of its proper divisors (1).

422312087 is an equidigital number, since it uses as much as digits as its factorization.

422312087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 422312087 is about 20550.2332590168. The cubic root of 422312087 is about 750.2589251186.

The spelling of 422312087 in words is "four hundred twenty-two million, three hundred twelve thousand, eighty-seven".