422057 has 2 divisors, whose sum is σ = 422058. Its totient is φ = 422056.

The previous prime is 422041. The next prime is 422063. The reversal of 422057 is 750224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 173056 = 499^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 422057 - 2⁴ = 422041 is a prime.

It is a super-2 number, since 2×422057² = 356264222498, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (422077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211028 + 211029.

It is an arithmetic number, because the mean of its divisors is an integer number (211029).

2⁴²²⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

422057 is a deficient number, since it is larger than the sum of its proper divisors (1).

422057 is an equidigital number, since it uses as much as digits as its factorization.

422057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 422057 is about 649.6591413965. The cubic root of 422057 is about 75.0107836346.

The spelling of 422057 in words is "four hundred twenty-two thousand, fifty-seven".