422446 has 8 divisors (see below), whose sum is σ = 667080. Its totient is φ = 200088.

The previous prime is 422431. The next prime is 422453. The reversal of 422446 is 644224.

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

It is an Ulam number.

It is a congruent number.

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, 5521 + ... + 5596.

It is an arithmetic number, because the mean of its divisors is an integer number (83385).

2⁴²²⁴⁴⁶ is an apocalyptic number.

422446 is a deficient number, since it is larger than the sum of its proper divisors (244634).

422446 is a wasteful number, since it uses less digits than its factorization.

422446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11138.

The product of its digits is 1536, while the sum is 22.

The square root of 422446 is about 649.9584602111. The cubic root of 422446 is about 75.0338217826.

It can be divided in two parts, 422 and 446, that added together give a palindrome (868).

The spelling of 422446 in words is "four hundred twenty-two thousand, four hundred forty-six".