22224243 has 12 divisors (see below), whose sum is σ = 31275528. Its totient is φ = 14035680.

The previous prime is 22224229. The next prime is 22224247. The reversal of 22224243 is 34242222.

It is not a de Polignac number, because 22224243 - 2⁵ = 22224211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22224247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9178 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (2606294).

Almost surely, 2^22224243 is an apocalyptic number.

22224243 is a deficient number, since it is larger than the sum of its proper divisors (9051285).

22224243 is a wasteful number, since it uses less digits than its factorization.

22224243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562 (or 20543 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 22224243 is about 4714.2595388884. The cubic root of 22224243 is about 281.1527434589.

Adding to 22224243 its reverse (34242222), we get a palindrome (56466465).

The spelling of 22224243 in words is "twenty-two million, two hundred twenty-four thousand, two hundred forty-three".