22212443044 has 48 divisors (see below), whose sum is σ = 42709343040. Its totient is φ = 10024492160.

The previous prime is 22212443041. The next prime is 22212443059. The reversal of 22212443044 is 44034421222.

It is not an unprimeable number, because it can be changed into a prime (22212443041) 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, 3882474 + ... + 3888190.

It is an arithmetic number, because the mean of its divisors is an integer number (889777980).

Almost surely, 2^22212443044 is an apocalyptic number.

It is an amenable number.

22212443044 is a deficient number, since it is larger than the sum of its proper divisors (20496899996).

22212443044 is a wasteful number, since it uses less digits than its factorization.

22212443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22212443044 its reverse (44034421222), we get a palindrome (66246864266).

The spelling of 22212443044 in words is "twenty-two billion, two hundred twelve million, four hundred forty-three thousand, forty-four".