422582 has 4 divisors (see below), whose sum is σ = 633876. Its totient is φ = 211290.

The previous prime is 422581. The next prime is 422621. The reversal of 422582 is 285224.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422581) 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, 105644 + ... + 105647.

It is an arithmetic number, because the mean of its divisors is an integer number (158469).

2⁴²²⁵⁸² is an apocalyptic number.

422582 is a deficient number, since it is larger than the sum of its proper divisors (211294).

422582 is a wasteful number, since it uses less digits than its factorization.

422582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211293.

The product of its digits is 1280, while the sum is 23.

The square root of 422582 is about 650.0630738628. The cubic root of 422582 is about 75.0418729141.

The spelling of 422582 in words is "four hundred twenty-two thousand, five hundred eighty-two".