22004984 has 8 divisors (see below), whose sum is σ = 41259360. Its totient is φ = 11002488.

The previous prime is 22004933. The next prime is 22004989. The reversal of 22004984 is 48940022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375304 + ... + 1375319.

It is an arithmetic number, because the mean of its divisors is an integer number (5157420).

Almost surely, 2^22004984 is an apocalyptic number.

It is an amenable number.

22004984 is a deficient number, since it is larger than the sum of its proper divisors (19254376).

22004984 is a wasteful number, since it uses less digits than its factorization.

22004984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750629 (or 2750625 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22004984 is about 4690.9470259213. The cubic root of 22004984 is about 280.2250911103.

The spelling of 22004984 in words is "twenty-two million, four thousand, nine hundred eighty-four".