22443324424 has 8 divisors (see below), whose sum is σ = 42081233310. Its totient is φ = 11221662208.

The previous prime is 22443324413. The next prime is 22443324439. The reversal of 22443324424 is 42442334422.

It can be written as a sum of positive squares in only one way, i.e., 21853708900 + 589615524 = 147830^2 + 24282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22443324424² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22443324424.

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 as a sum of consecutive naturals, namely, 1402707769 + ... + 1402707784.

Almost surely, 2^22443324424 is an apocalyptic number.

It is an amenable number.

22443324424 is a deficient number, since it is larger than the sum of its proper divisors (19637908886).

22443324424 is a wasteful number, since it uses less digits than its factorization.

22443324424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805415559 (or 2805415555 counting only the distinct ones).

The product of its digits is 147456, while the sum is 34.

Adding to 22443324424 its reverse (42442334422), we get a palindrome (64885658846).

The spelling of 22443324424 in words is "twenty-two billion, four hundred forty-three million, three hundred twenty-four thousand, four hundred twenty-four".