22204003 has 4 divisors (see below), whose sum is σ = 22249000. Its totient is φ = 22159008.

The previous prime is 22203997. The next prime is 22204009. The reversal of 22204003 is 30040222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22203997) and next prime (22204009).

It is a cyclic number.

It is not a de Polignac number, because 22204003 - 2⁵ = 22203971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21750 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (5562250).

Almost surely, 2^22204003 is an apocalyptic number.

22204003 is a deficient number, since it is larger than the sum of its proper divisors (44997).

22204003 is an equidigital number, since it uses as much as digits as its factorization.

22204003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44996.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22204003 is about 4712.1123713256. The cubic root of 22204003 is about 281.0673673242.

Adding to 22204003 its reverse (30040222), we get a palindrome (52244225).

The spelling of 22204003 in words is "twenty-two million, two hundred four thousand, three".