444422224406 has 8 divisors (see below), whose sum is σ = 666686277624. Its totient is φ = 222193465200.

The previous prime is 444422224403. The next prime is 444422224471. The reversal of 444422224406 is 604422224444.

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

It is a super-3 number, since 3×444422224406³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444422224406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444422224403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792000 + ... + 8842403.

It is an arithmetic number, because the mean of its divisors is an integer number (83335784703).

Almost surely, 2^444422224406 is an apocalyptic number.

444422224406 is a deficient number, since it is larger than the sum of its proper divisors (222264053218).

444422224406 is a wasteful number, since it uses less digits than its factorization.

444422224406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17647006.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 444422224406 its sum of digits (38), we get a palindrome (444422224444).

The spelling of 444422224406 in words is "four hundred forty-four billion, four hundred twenty-two million, two hundred twenty-four thousand, four hundred six".