422369 has 2 divisors, whose sum is σ = 422370. Its totient is φ = 422368.

The previous prime is 422363. The next prime is 422377. The reversal of 422369 is 963224.

422369 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 12769 = 640^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 422369 - 2⁴ = 422353 is a prime.

It is a super-2 number, since 2×422369² = 356791144322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211184 + 211185.

It is an arithmetic number, because the mean of its divisors is an integer number (211185).

2⁴²²³⁶⁹ is an apocalyptic number.

It is an amenable number.

422369 is a deficient number, since it is larger than the sum of its proper divisors (1).

422369 is an equidigital number, since it uses as much as digits as its factorization.

422369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 422369 is about 649.8992229569. The cubic root of 422369 is about 75.0292626552.

The spelling of 422369 in words is "four hundred twenty-two thousand, three hundred sixty-nine".