422393 has 2 divisors, whose sum is σ = 422394. Its totient is φ = 422392.

The previous prime is 422377. The next prime is 422407. The reversal of 422393 is 393224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218089 + 204304 = 467^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 422393 - 2⁴ = 422377 is a prime.

It is equal to p₃₅₅₇₃ and since 422393 and 35573 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422393.

It is not a weakly prime, because it can be changed into another prime (422353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211196 + 211197.

It is an arithmetic number, because the mean of its divisors is an integer number (211197).

2⁴²²³⁹³ is an apocalyptic number.

It is an amenable number.

422393 is a deficient number, since it is larger than the sum of its proper divisors (1).

422393 is an equidigital number, since it uses as much as digits as its factorization.

422393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 422393 is about 649.9176870958. The cubic root of 422393 is about 75.0306837414.

The spelling of 422393 in words is "four hundred twenty-two thousand, three hundred ninety-three".