422867 has 2 divisors, whose sum is σ = 422868. Its totient is φ = 422866.

The previous prime is 422861. The next prime is 422869. The reversal of 422867 is 768224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422867 - 2⁶ = 422803 is a prime.

Together with 422869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211433 + 211434.

It is an arithmetic number, because the mean of its divisors is an integer number (211434).

2⁴²²⁸⁶⁷ is an apocalyptic number.

422867 is a deficient number, since it is larger than the sum of its proper divisors (1).

422867 is an equidigital number, since it uses as much as digits as its factorization.

422867 is an evil number, because the sum of its binary digits is even.

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

The square root of 422867 is about 650.2822464130. The cubic root of 422867 is about 75.0587391693.

The spelling of 422867 in words is "four hundred twenty-two thousand, eight hundred sixty-seven".