422797 has 2 divisors, whose sum is σ = 422798. Its totient is φ = 422796.

The previous prime is 422789. The next prime is 422803. The reversal of 422797 is 797224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 137641 = 534^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 422797 - 2³ = 422789 is a prime.

It is equal to p₃₅₅₉₉ and since 422797 and 35599 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211398 + 211399.

It is an arithmetic number, because the mean of its divisors is an integer number (211399).

2⁴²²⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

422797 is a deficient number, since it is larger than the sum of its proper divisors (1).

422797 is an equidigital number, since it uses as much as digits as its factorization.

422797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 422797 is about 650.2284214028. The cubic root of 422797 is about 75.0545972825.

It can be divided in two parts, 4 and 22797, that added together give a square (22801 = 151²).

The spelling of 422797 in words is "four hundred twenty-two thousand, seven hundred ninety-seven".