422079 has 16 divisors (see below), whose sum is σ = 652800. Its totient is φ = 237600.

The previous prime is 422077. The next prime is 422083. The reversal of 422079 is 970224.

It is not a de Polignac number, because 422079 - 2¹ = 422077 is a prime.

It is an Ulam number.

422079 is a modest number, since divided by 2079 gives 42 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (40800).

2⁴²²⁰⁷⁹ is an apocalyptic number.

422079 is a deficient number, since it is larger than the sum of its proper divisors (230721).

422079 is a wasteful number, since it uses less digits than its factorization.

422079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 422079 is about 649.6760731318. The cubic root of 422079 is about 75.0120869409.

The spelling of 422079 in words is "four hundred twenty-two thousand, seventy-nine".