22336243 has 4 divisors (see below), whose sum is σ = 23307408. Its totient is φ = 21365080.

The previous prime is 22336231. The next prime is 22336273. The reversal of 22336243 is 34263322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22336243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22336273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485548 + ... + 485593.

It is an arithmetic number, because the mean of its divisors is an integer number (5826852).

Almost surely, 2^22336243 is an apocalyptic number.

22336243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22336243 is a deficient number, since it is larger than the sum of its proper divisors (971165).

22336243 is an equidigital number, since it uses as much as digits as its factorization.

22336243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971164.

The product of its digits is 5184, while the sum is 25.

The square root of 22336243 is about 4726.1234643204. The cubic root of 22336243 is about 281.6242459525.

Adding to 22336243 its reverse (34263322), we get a palindrome (56599565).

The spelling of 22336243 in words is "twenty-two million, three hundred thirty-six thousand, two hundred forty-three".