22443044012 has 12 divisors (see below), whose sum is σ = 39321161880. Its totient is φ = 11208426336.

The previous prime is 22443043999. The next prime is 22443044027. The reversal of 22443044012 is 21044034422.

It is a happy number.

It is a super-2 number, since 2×22443044012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3270062 + ... + 3276917.

It is an arithmetic number, because the mean of its divisors is an integer number (3276763490).

Almost surely, 2^22443044012 is an apocalyptic number.

It is an amenable number.

22443044012 is a deficient number, since it is larger than the sum of its proper divisors (16878117868).

22443044012 is a wasteful number, since it uses less digits than its factorization.

22443044012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547840 (or 6547838 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22443044012 its reverse (21044034422), we get a palindrome (43487078434).

The spelling of 22443044012 in words is "twenty-two billion, four hundred forty-three million, forty-four thousand, twelve".