22404163 has 8 divisors (see below), whose sum is σ = 23244480. Its totient is φ = 21577920.

The previous prime is 22404149. The next prime is 22404209. The reversal of 22404163 is 36140422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22404163 - 2⁵ = 22404131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22404143) 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 7 ways as a sum of consecutive naturals, for example, 220 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (2905560).

Almost surely, 2^22404163 is an apocalyptic number.

22404163 is a deficient number, since it is larger than the sum of its proper divisors (840317).

22404163 is an equidigital number, since it uses as much as digits as its factorization.

22404163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22404163 is about 4733.3036031930. The cubic root of 22404163 is about 281.9094112393.

Adding to 22404163 its reverse (36140422), we get a palindrome (58544585).

The spelling of 22404163 in words is "twenty-two million, four hundred four thousand, one hundred sixty-three".