422422 has 32 divisors (see below), whose sum is σ = 854784. Its totient is φ = 151200.

The previous prime is 422407. The next prime is 422431. The reversal of 422422 is 224224.

It is a junction number, because it is equal to n+sod(n) for n = 422396 and 422405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2⁴²²⁴²² is an apocalyptic number.

422422 is an abundant number, since it is smaller than the sum of its proper divisors (432362).

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

422422 is a wasteful number, since it uses less digits than its factorization.

422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 256, while the sum is 16.

The square root of 422422 is about 649.9399972305. The cubic root of 422422 is about 75.0324008153.

Adding to 422422 its reverse (224224), we get a palindrome (646646).

The spelling of 422422 in words is "four hundred twenty-two thousand, four hundred twenty-two", and thus it is an iban number.