22242303 has 8 divisors (see below), whose sum is σ = 32951600. Its totient is φ = 14828184.

The previous prime is 22242299. The next prime is 22242317. The reversal of 22242303 is 30324222.

It is not a de Polignac number, because 22242303 - 2² = 22242299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411868 + ... + 411921.

It is an arithmetic number, because the mean of its divisors is an integer number (4118950).

Almost surely, 2^22242303 is an apocalyptic number.

22242303 is a deficient number, since it is larger than the sum of its proper divisors (10709297).

22242303 is an equidigital number, since it uses as much as digits as its factorization.

22242303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823798 (or 823792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22242303 is about 4716.1746150880. The cubic root of 22242303 is about 281.2288801919.

Adding to 22242303 its reverse (30324222), we get a palindrome (52566525).

The spelling of 22242303 in words is "twenty-two million, two hundred forty-two thousand, three hundred three".