22203243 has 6 divisors (see below), whose sum is σ = 32071364. Its totient is φ = 14802156.

The previous prime is 22203239. The next prime is 22203253. The reversal of 22203243 is 34230222.

It is not a de Polignac number, because 22203243 - 2² = 22203239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22203253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233505 + ... + 1233522.

Almost surely, 2^22203243 is an apocalyptic number.

22203243 is a deficient number, since it is larger than the sum of its proper divisors (9868121).

22203243 is a wasteful number, since it uses less digits than its factorization.

22203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467033 (or 2467030 counting only the distinct ones).

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

The square root of 22203243 is about 4712.0317273974. The cubic root of 22203243 is about 281.0641604905.

Adding to 22203243 its reverse (34230222), we get a palindrome (56433465).

The spelling of 22203243 in words is "twenty-two million, two hundred three thousand, two hundred forty-three".