22424032144 has 20 divisors (see below), whose sum is σ = 43489652620. Its totient is φ = 11200896000.

The previous prime is 22424032129. The next prime is 22424032231. The reversal of 22424032144 is 44123042422.

It can be written as a sum of positive squares in 2 ways, for example, as 12042867600 + 10381164544 = 109740^2 + 101888^2 .

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, 678357 + ... + 710644.

It is an arithmetic number, because the mean of its divisors is an integer number (2174482631).

Almost surely, 2^22424032144 is an apocalyptic number.

It is an amenable number.

22424032144 is a deficient number, since it is larger than the sum of its proper divisors (21065620476).

22424032144 is a wasteful number, since it uses less digits than its factorization.

22424032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390018 (or 1390012 counting only the distinct ones).

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

Adding to 22424032144 its reverse (44123042422), we get a palindrome (66547074566).

The spelling of 22424032144 in words is "twenty-two billion, four hundred twenty-four million, thirty-two thousand, one hundred forty-four".