422969 has 2 divisors, whose sum is σ = 422970. Its totient is φ = 422968.

The previous prime is 422927. The next prime is 422987. The reversal of 422969 is 969224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344569 + 78400 = 587^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422969 is a prime.

It is a super-2 number, since 2×422969² = 357805549922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211484 + 211485.

It is an arithmetic number, because the mean of its divisors is an integer number (211485).

2⁴²²⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

422969 is a deficient number, since it is larger than the sum of its proper divisors (1).

422969 is an equidigital number, since it uses as much as digits as its factorization.

422969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 422969 is about 650.3606691675. The cubic root of 422969 is about 75.0647736718.

The spelling of 422969 in words is "four hundred twenty-two thousand, nine hundred sixty-nine".