422576 has 50 divisors (see below), whose sum is σ = 1041972. Its totient is φ = 164640.

The previous prime is 422573. The next prime is 422581. The reversal of 422576 is 675224.

Its product of digits (3360) is a multiple of the sum of its prime divisors (20).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (422573) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38411 + ... + 38421.

422576 is a Friedman number, since it can be written as (6+5)*(7^2*4)^2, using all its digits and the basic arithmetic operations.

2⁴²²⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520986).

422576 is an abundant number, since it is smaller than the sum of its proper divisors (619396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422576 is an equidigital number, since it uses as much as digits as its factorization.

422576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 20 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 422576 is about 650.0584589097. The cubic root of 422576 is about 75.0415177535.

The spelling of 422576 in words is "four hundred twenty-two thousand, five hundred seventy-six".