22432222144 has 28 divisors (see below), whose sum is σ = 44540387424. Its totient is φ = 11209447424.

The previous prime is 22432222133. The next prime is 22432222151. The reversal of 22432222144 is 44122223422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5337 + ... + 211879.

Almost surely, 2^22432222144 is an apocalyptic number.

It is an amenable number.

22432222144 is a deficient number, since it is larger than the sum of its proper divisors (22108165280).

22432222144 is a wasteful number, since it uses less digits than its factorization.

22432222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208252 (or 208242 counting only the distinct ones).

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

Adding to 22432222144 its reverse (44122223422), we get a palindrome (66554445566).

The spelling of 22432222144 in words is "twenty-two billion, four hundred thirty-two million, two hundred twenty-two thousand, one hundred forty-four".