22240324144 has 20 divisors (see below), whose sum is σ = 45358556440. Its totient is φ = 10534890240.

The previous prime is 22240324133. The next prime is 22240324153. The reversal of 22240324144 is 44142304222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36579177 + ... + 36579784.

It is an arithmetic number, because the mean of its divisors is an integer number (2267927822).

Almost surely, 2^22240324144 is an apocalyptic number.

It is an amenable number.

22240324144 is an abundant number, since it is smaller than the sum of its proper divisors (23118232296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22240324144 is a wasteful number, since it uses less digits than its factorization.

22240324144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73158988 (or 73158982 counting only the distinct ones).

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

Adding to 22240324144 its reverse (44142304222), we get a palindrome (66382628366).

The spelling of 22240324144 in words is "twenty-two billion, two hundred forty million, three hundred twenty-four thousand, one hundred forty-four".