22304143443 has 16 divisors (see below), whose sum is σ = 29813688576. Its totient is φ = 14832061920.

The previous prime is 22304143399. The next prime is 22304143457. The reversal of 22304143443 is 34434140322.

It is a happy number.

It is not a de Polignac number, because 22304143443 - 2²⁰ = 22303094867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22304143443.

It is not an unprimeable number, because it can be changed into a prime (22304143483) by changing a digit.

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, 2153788 + ... + 2164118.

It is an arithmetic number, because the mean of its divisors is an integer number (1863355536).

Almost surely, 2^22304143443 is an apocalyptic number.

22304143443 is a deficient number, since it is larger than the sum of its proper divisors (7509545133).

22304143443 is a wasteful number, since it uses less digits than its factorization.

22304143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22304143443 its reverse (34434140322), we get a palindrome (56738283765).

The spelling of 22304143443 in words is "twenty-two billion, three hundred four million, one hundred forty-three thousand, four hundred forty-three".