22224042440 has 64 divisors (see below), whose sum is σ = 50202754560. Its totient is φ = 8854387200.

The previous prime is 22224042431. The next prime is 22224042469. The reversal of 22224042440 is 4424042222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14591519 + ... + 14593041.

It is an arithmetic number, because the mean of its divisors is an integer number (784418040).

Almost surely, 2^22224042440 is an apocalyptic number.

22224042440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22224042440 is an abundant number, since it is smaller than the sum of its proper divisors (27978712120).

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

22224042440 is a wasteful number, since it uses less digits than its factorization.

22224042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22224042440 its reverse (4424042222), we get a palindrome (26648084662).

The spelling of 22224042440 in words is "twenty-two billion, two hundred twenty-four million, forty-two thousand, four hundred forty".