442444444222 has 16 divisors (see below), whose sum is σ = 725389653744. Its totient is φ = 200725096000.

The previous prime is 442444444199. The next prime is 442444444229. The reversal of 442444444222 is 222444444244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442444444229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19289029 + ... + 19311952.

It is an arithmetic number, because the mean of its divisors is an integer number (45336853359).

Almost surely, 2^442444444222 is an apocalyptic number.

442444444222 is a deficient number, since it is larger than the sum of its proper divisors (282945209522).

442444444222 is a wasteful number, since it uses less digits than its factorization.

442444444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38601515.

The product of its digits is 1048576, while the sum is 40.

Adding to 442444444222 its reverse (222444444244), we get a palindrome (664888888466).

The spelling of 442444444222 in words is "four hundred forty-two billion, four hundred forty-four million, four hundred forty-four thousand, two hundred twenty-two".