422579 has 8 divisors (see below), whose sum is σ = 464640. Its totient is φ = 382536.

The previous prime is 422573. The next prime is 422581. The reversal of 422579 is 975224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422579 - 2⁴ = 422563 is a prime.

It is a super-2 number, since 2×422579² = 357146022482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422573) 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 in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (58080).

2⁴²²⁵⁷⁹ is an apocalyptic number.

422579 is a deficient number, since it is larger than the sum of its proper divisors (42061).

422579 is a wasteful number, since it uses less digits than its factorization.

422579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its digits is 5040, while the sum is 29.

The square root of 422579 is about 650.0607663903. The cubic root of 422579 is about 75.0416953342.

It can be divided in two parts, 422 and 579, that added together give a palindrome (1001).

The spelling of 422579 in words is "four hundred twenty-two thousand, five hundred seventy-nine".