422573 has 2 divisors, whose sum is σ = 422574. Its totient is φ = 422572.

The previous prime is 422567. The next prime is 422581. The reversal of 422573 is 375224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252004 + 170569 = 502^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 422573 - 2⁴ = 422557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422563) 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, 211286 + 211287.

It is an arithmetic number, because the mean of its divisors is an integer number (211287).

2⁴²²⁵⁷³ is an apocalyptic number.

It is an amenable number.

422573 is a deficient number, since it is larger than the sum of its proper divisors (1).

422573 is an equidigital number, since it uses as much as digits as its factorization.

422573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 23.

The square root of 422573 is about 650.0561514208. The cubic root of 422573 is about 75.0413401720.

Multiplying 422573 by its sum of digits (23), we get a palindrome (9719179).

Adding to 422573 its reverse (375224), we get a palindrome (797797).

The spelling of 422573 in words is "four hundred twenty-two thousand, five hundred seventy-three".