22004413 has 16 divisors (see below), whose sum is σ = 24272640. Its totient is φ = 19872000.

The previous prime is 22004393. The next prime is 22004419. The reversal of 22004413 is 31440022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22004413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36313 + ... + 36913.

It is an arithmetic number, because the mean of its divisors is an integer number (1517040).

Almost surely, 2^22004413 is an apocalyptic number.

It is an amenable number.

22004413 is a deficient number, since it is larger than the sum of its proper divisors (2268227).

22004413 is a wasteful number, since it uses less digits than its factorization.

22004413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22004413 is about 4690.8861636156. The cubic root of 22004413 is about 280.2226672668. Note that the first 3 decimals are identical.

Adding to 22004413 its reverse (31440022), we get a palindrome (53444435).

The spelling of 22004413 in words is "twenty-two million, four thousand, four hundred thirteen".