22417243 has 2 divisors, whose sum is σ = 22417244. Its totient is φ = 22417242.

The previous prime is 22417217. The next prime is 22417303. The reversal of 22417243 is 34271422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22417243 - 2⁵ = 22417211 is a prime.

It is equal to p_1413781 and since 22417243 and 1413781 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22411243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11208621 + 11208622.

It is an arithmetic number, because the mean of its divisors is an integer number (11208622).

Almost surely, 2^22417243 is an apocalyptic number.

22417243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22417243 is an equidigital number, since it uses as much as digits as its factorization.

22417243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 22417243 is about 4734.6851004053. The cubic root of 22417243 is about 281.9642620238.

Adding to 22417243 its reverse (34271422), we get a palindrome (56688665).

The spelling of 22417243 in words is "twenty-two million, four hundred seventeen thousand, two hundred forty-three".