22104205 has 8 divisors (see below), whose sum is σ = 26551800. Its totient is φ = 17665536.

The previous prime is 22104191. The next prime is 22104211. The reversal of 22104205 is 50240122.

It can be written as a sum of positive squares in 4 ways, for example, as 741321 + 21362884 = 861^2 + 4622^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22104205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5961 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (3318975).

Almost surely, 2^22104205 is an apocalyptic number.

It is an amenable number.

22104205 is a deficient number, since it is larger than the sum of its proper divisors (4447595).

22104205 is a wasteful number, since it uses less digits than its factorization.

22104205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22104205 is about 4701.5109273509. The cubic root of 22104205 is about 280.6456402032.

Adding to 22104205 its reverse (50240122), we get a palindrome (72344327).

The spelling of 22104205 in words is "twenty-two million, one hundred four thousand, two hundred five".