22004124 has 12 divisors (see below), whose sum is σ = 51342984. Its totient is φ = 7334704.

The previous prime is 22004119. The next prime is 22004149. The reversal of 22004124 is 42140022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 916827 + ... + 916850.

It is an arithmetic number, because the mean of its divisors is an integer number (4278582).

Almost surely, 2^22004124 is an apocalyptic number.

It is an amenable number.

22004124 is an abundant number, since it is smaller than the sum of its proper divisors (29338860).

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

22004124 is a wasteful number, since it uses less digits than its factorization.

22004124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833684 (or 1833682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22004124 is about 4690.8553591003. The cubic root of 22004124 is about 280.2214404719.

Adding to 22004124 its reverse (42140022), we get a palindrome (64144146).

The spelling of 22004124 in words is "twenty-two million, four thousand, one hundred twenty-four".