22634243 has 4 divisors (see below), whose sum is σ = 22670088. Its totient is φ = 22598400.

The previous prime is 22634237. The next prime is 22634257. The reversal of 22634243 is 34243622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22634243 - 2⁶ = 22634179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22630243) 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 3 ways as a sum of consecutive naturals, for example, 16958 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (5667522).

Almost surely, 2^22634243 is an apocalyptic number.

22634243 is a deficient number, since it is larger than the sum of its proper divisors (35845).

22634243 is an equidigital number, since it uses as much as digits as its factorization.

22634243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35844.

The product of its digits is 6912, while the sum is 26.

The square root of 22634243 is about 4757.5459009872. The cubic root of 22634243 is about 282.8711512902.

Adding to 22634243 its reverse (34243622), we get a palindrome (56877865).

The spelling of 22634243 in words is "twenty-two million, six hundred thirty-four thousand, two hundred forty-three".