422459 has 2 divisors, whose sum is σ = 422460. Its totient is φ = 422458.

The previous prime is 422453. The next prime is 422479. The reversal of 422459 is 954224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422459 - 2⁸ = 422203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211229 + 211230.

It is an arithmetic number, because the mean of its divisors is an integer number (211230).

2⁴²²⁴⁵⁹ is an apocalyptic number.

422459 is a deficient number, since it is larger than the sum of its proper divisors (1).

422459 is an equidigital number, since it uses as much as digits as its factorization.

422459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 422459 is about 649.9684607733. The cubic root of 422459 is about 75.0345914507.

The spelling of 422459 in words is "four hundred twenty-two thousand, four hundred fifty-nine".