22104423 has 12 divisors (see below), whose sum is σ = 34831368. Its totient is φ = 13396560.

The previous prime is 22104389. The next prime is 22104427. The reversal of 22104423 is 32440122.

22104423 is a `hidden beast` number, since 221 + 0 + 442 + 3 = 666.

It is not a de Polignac number, because 22104423 - 2¹⁰ = 22103399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22104396 and 22104405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111540 + ... + 111737.

It is an arithmetic number, because the mean of its divisors is an integer number (2902614).

Almost surely, 2^22104423 is an apocalyptic number.

22104423 is a deficient number, since it is larger than the sum of its proper divisors (12726945).

22104423 is a wasteful number, since it uses less digits than its factorization.

22104423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223294 (or 223291 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22104423 is about 4701.5341113300. The cubic root of 22104423 is about 280.6465628112.

Adding to 22104423 its reverse (32440122), we get a palindrome (54544545).

The spelling of 22104423 in words is "twenty-two million, one hundred four thousand, four hundred twenty-three".