22104449 has 4 divisors (see below), whose sum is σ = 23065536. Its totient is φ = 21143364.

The previous prime is 22104431. The next prime is 22104461. The reversal of 22104449 is 94440122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22104449 - 2²⁰ = 21055873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22104349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480509 + ... + 480554.

It is an arithmetic number, because the mean of its divisors is an integer number (5766384).

Almost surely, 2^22104449 is an apocalyptic number.

It is an amenable number.

22104449 is a deficient number, since it is larger than the sum of its proper divisors (961087).

22104449 is an equidigital number, since it uses as much as digits as its factorization.

22104449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961086.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22104449 is about 4701.5368763841. The cubic root of 22104449 is about 280.6466728466.

The spelling of 22104449 in words is "twenty-two million, one hundred four thousand, four hundred forty-nine".