422175239 has 2 divisors, whose sum is σ = 422175240. Its totient is φ = 422175238.

The previous prime is 422175199. The next prime is 422175283. The reversal of 422175239 is 932571224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422175239 - 2⁸ = 422174983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422175199 and 422175208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422175539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211087619 + 211087620.

It is an arithmetic number, because the mean of its divisors is an integer number (211087620).

Almost surely, 2^422175239 is an apocalyptic number.

422175239 is a deficient number, since it is larger than the sum of its proper divisors (1).

422175239 is an equidigital number, since it uses as much as digits as its factorization.

422175239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 422175239 is about 20546.9033919956. The cubic root of 422175239 is about 750.1778772170.

The spelling of 422175239 in words is "four hundred twenty-two million, one hundred seventy-five thousand, two hundred thirty-nine".