22443243 has 8 divisors (see below), whose sum is σ = 30004800. Its totient is φ = 14921928.

The previous prime is 22443241. The next prime is 22443251. The reversal of 22443243 is 34234422.

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

It is not a de Polignac number, because 22443243 - 2¹ = 22443241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22443241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8733 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (3750600).

Almost surely, 2^22443243 is an apocalyptic number.

22443243 is a deficient number, since it is larger than the sum of its proper divisors (7561557).

22443243 is a wasteful number, since it uses less digits than its factorization.

22443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121.

The product of its digits is 4608, while the sum is 24.

The square root of 22443243 is about 4737.4299994828. The cubic root of 22443243 is about 282.0732293098.

Adding to 22443243 its reverse (34234422), we get a palindrome (56677665).

The spelling of 22443243 in words is "twenty-two million, four hundred forty-three thousand, two hundred forty-three".