422899 has 2 divisors, whose sum is σ = 422900. Its totient is φ = 422898.

The previous prime is 422897. The next prime is 422911. The reversal of 422899 is 998224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422899 - 2¹ = 422897 is a prime.

Together with 422897, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (422893) 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, 211449 + 211450.

It is an arithmetic number, because the mean of its divisors is an integer number (211450).

2⁴²²⁸⁹⁹ is an apocalyptic number.

422899 is a deficient number, since it is larger than the sum of its proper divisors (1).

422899 is an equidigital number, since it uses as much as digits as its factorization.

422899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 422899 is about 650.3068506482. The cubic root of 422899 is about 75.0606324510.

The spelling of 422899 in words is "four hundred twenty-two thousand, eight hundred ninety-nine".