22144400404 has 12 divisors (see below), whose sum is σ = 44288800864. Its totient is φ = 9490457304.

The previous prime is 22144400381. The next prime is 22144400417. The reversal of 22144400404 is 40400444122.

22144400404 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 395435694 + ... + 395435749.

Almost surely, 2^22144400404 is an apocalyptic number.

It is an amenable number.

22144400404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22144400404 is a wasteful number, since it uses less digits than its factorization.

22144400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790871454 (or 790871452 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22144400404 its reverse (40400444122), we get a palindrome (62544844526).

The spelling of 22144400404 in words is "twenty-two billion, one hundred forty-four million, four hundred thousand, four hundred four".