22443042240 has 84 divisors (see below), whose sum is σ = 77194723944. Its totient is φ = 5984810496.

The previous prime is 22443042227. The next prime is 22443042247. The reversal of 22443042240 is 4224034422.

22443042240 is a `hidden beast` number, since 2 + 2 + 4 + 430 + 4 + 224 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443042247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3893482 + ... + 3899241.

Almost surely, 2^22443042240 is an apocalyptic number.

22443042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443042240 is an abundant number, since it is smaller than the sum of its proper divisors (54751681704).

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

22443042240 is a wasteful number, since it uses less digits than its factorization.

22443042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792746 (or 7792733 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22443042240 its reverse (4224034422), we get a palindrome (26667076662).

The spelling of 22443042240 in words is "twenty-two billion, four hundred forty-three million, forty-two thousand, two hundred forty".