22243984 has 40 divisors (see below), whose sum is σ = 51851840. Its totient is φ = 9030528.

The previous prime is 22243891. The next prime is 22243987. The reversal of 22243984 is 48934222.

It is not an unprimeable number, because it can be changed into a prime (22243987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3099 + ... + 7354.

It is an arithmetic number, because the mean of its divisors is an integer number (1296296).

Almost surely, 2^22243984 is an apocalyptic number.

It is an amenable number.

22243984 is an abundant number, since it is smaller than the sum of its proper divisors (29607856).

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

22243984 is a wasteful number, since it uses less digits than its factorization.

22243984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487 (or 10481 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 22243984 is about 4716.3528281926. The cubic root of 22243984 is about 281.2359647976.

The spelling of 22243984 in words is "twenty-two million, two hundred forty-three thousand, nine hundred eighty-four".