422179 has 4 divisors (see below), whose sum is σ = 423576. Its totient is φ = 420784.

The previous prime is 422141. The next prime is 422183. The reversal of 422179 is 971224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 422179 - 2¹⁷ = 291107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (105894).

2⁴²²¹⁷⁹ is an apocalyptic number.

422179 is a deficient number, since it is larger than the sum of its proper divisors (1397).

422179 is an equidigital number, since it uses as much as digits as its factorization.

422179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its digits is 1008, while the sum is 25.

The square root of 422179 is about 649.7530300045. The cubic root of 422179 is about 75.0180104894.

The spelling of 422179 in words is "four hundred twenty-two thousand, one hundred seventy-nine".