422522 has 8 divisors (see below), whose sum is σ = 667200. Its totient is φ = 200124.

The previous prime is 422479. The next prime is 422537. The reversal of 422522 is 225224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 422522.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5522 + ... + 5597.

It is an arithmetic number, because the mean of its divisors is an integer number (83400).

2⁴²²⁵²² is an apocalyptic number.

422522 is a deficient number, since it is larger than the sum of its proper divisors (244678).

422522 is a wasteful number, since it uses less digits than its factorization.

422522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140.

The product of its digits is 320, while the sum is 17.

The square root of 422522 is about 650.0169228566. The cubic root of 422522 is about 75.0383211573.

Adding to 422522 its reverse (225224), we get a palindrome (647746).

The spelling of 422522 in words is "four hundred twenty-two thousand, five hundred twenty-two".