22044224444 has 48 divisors (see below), whose sum is σ = 43011634176. Its totient is φ = 9799656000.

The previous prime is 22044224437. The next prime is 22044224507. The reversal of 22044224444 is 44442244022.

It is a self number, because there is not a number n which added to its sum of digits gives 22044224444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580769 + ... + 3586919.

It is an arithmetic number, because the mean of its divisors is an integer number (896075712).

Almost surely, 2^22044224444 is an apocalyptic number.

It is an amenable number.

22044224444 is a deficient number, since it is larger than the sum of its proper divisors (20967409732).

22044224444 is a wasteful number, since it uses less digits than its factorization.

22044224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946 (or 7944 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22044224444 its reverse (44442244022), we get a palindrome (66486468466).

The spelling of 22044224444 in words is "twenty-two billion, forty-four million, two hundred twenty-four thousand, four hundred forty-four".