22204121443 has 16 divisors (see below), whose sum is σ = 25454174400. Its totient is φ = 18973656576.

The previous prime is 22204121389. The next prime is 22204121453. The reversal of 22204121443 is 34412140222.

It is not a de Polignac number, because 22204121443 - 2⁹ = 22204120931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204121453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773783 + ... + 4778431.

It is an arithmetic number, because the mean of its divisors is an integer number (1590885900).

Almost surely, 2^22204121443 is an apocalyptic number.

22204121443 is a deficient number, since it is larger than the sum of its proper divisors (3250052957).

22204121443 is a wasteful number, since it uses less digits than its factorization.

22204121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22204121443 its reverse (34412140222), we get a palindrome (56616261665).

The spelling of 22204121443 in words is "twenty-two billion, two hundred four million, one hundred twenty-one thousand, four hundred forty-three".