422893 has 2 divisors, whose sum is σ = 422894. Its totient is φ = 422892.

The previous prime is 422881. The next prime is 422897. The reversal of 422893 is 398224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227529 + 195364 = 477^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 422893 - 2⁵ = 422861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422897) 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, 211446 + 211447.

It is an arithmetic number, because the mean of its divisors is an integer number (211447).

2⁴²²⁸⁹³ is an apocalyptic number.

It is an amenable number.

422893 is a deficient number, since it is larger than the sum of its proper divisors (1).

422893 is an equidigital number, since it uses as much as digits as its factorization.

422893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 422893 is about 650.3022374250. The cubic root of 422893 is about 75.0602774680.

The spelling of 422893 in words is "four hundred twenty-two thousand, eight hundred ninety-three".