22204404444 has 24 divisors (see below), whose sum is σ = 51824983168. Its totient is φ = 7399367280.

The previous prime is 22204404437. The next prime is 22204404449. The reversal of 22204404444 is 44440440222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204404449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218272 + ... + 303399.

Almost surely, 2^22204404444 is an apocalyptic number.

It is an amenable number.

22204404444 is an abundant number, since it is smaller than the sum of its proper divisors (29620578724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22204404444 is a wasteful number, since it uses less digits than its factorization.

22204404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525225 (or 525223 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22204404444 its reverse (44440440222), we get a palindrome (66644844666).

The spelling of 22204404444 in words is "twenty-two billion, two hundred four million, four hundred four thousand, four hundred forty-four".