22418473984 has 33 divisors (see below), whose sum is σ = 44824634887. Its totient is φ = 11206841344.

The previous prime is 22418473981. The next prime is 22418473991. The reversal of 22418473984 is 48937481422.

The square root of 22418473984 is 149728.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22418473981) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 4788957 + ... + 4793635.

Almost surely, 2^22418473984 is an apocalyptic number.

22418473984 is the 149728-th square number.

It is an amenable number.

22418473984 is a deficient number, since it is larger than the sum of its proper divisors (22406160903).

22418473984 is an frugal number, since it uses more digits than its factorization.

22418473984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 4681 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The spelling of 22418473984 in words is "twenty-two billion, four hundred eighteen million, four hundred seventy-three thousand, nine hundred eighty-four".