422444 has 12 divisors (see below), whose sum is σ = 806568. Its totient is φ = 192000.

The previous prime is 422431. The next prime is 422453. The reversal of 422444 is 444224.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (67214).

2⁴²²⁴⁴⁴ is an apocalyptic number.

422444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

422444 is a deficient number, since it is larger than the sum of its proper divisors (384124).

422444 is a wasteful number, since it uses less digits than its factorization.

422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616 (or 9614 counting only the distinct ones).

The product of its digits is 1024, while the sum is 20.

The square root of 422444 is about 649.9569216494. The cubic root of 422444 is about 75.0337033707.

Adding to 422444 its reverse (444224), we get a palindrome (866668).

The spelling of 422444 in words is "four hundred twenty-two thousand, four hundred forty-four", and thus it is an iban number.