22004875 has 16 divisors (see below), whose sum is σ = 27593280. Its totient is φ = 17520000.

The previous prime is 22004849. The next prime is 22004887. The reversal of 22004875 is 57840022.

It is not a de Polignac number, because 22004875 - 2⁷ = 22004747 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 49906 + ... + 50344.

It is an arithmetic number, because the mean of its divisors is an integer number (1724580).

Almost surely, 2^22004875 is an apocalyptic number.

22004875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22004875 is a deficient number, since it is larger than the sum of its proper divisors (5588405).

22004875 is an equidigital number, since it uses as much as digits as its factorization.

22004875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 22004875 is about 4690.9354077838. The cubic root of 22004875 is about 280.2246284184.

Adding to 22004875 its reverse (57840022), we get a palindrome (79844897).

The spelling of 22004875 in words is "twenty-two million, four thousand, eight hundred seventy-five".