22663241 has 2 divisors, whose sum is σ = 22663242. Its totient is φ = 22663240.

The previous prime is 22663237. The next prime is 22663247. The reversal of 22663241 is 14236622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 2449225 = 4496^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 22663241 - 2² = 22663237 is a prime.

It is a Chen prime.

It is equal to p_1428317 and since 22663241 and 1428317 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22663241.

It is not a weakly prime, because it can be changed into another prime (22663247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11331620 + 11331621.

It is an arithmetic number, because the mean of its divisors is an integer number (11331621).

Almost surely, 2^22663241 is an apocalyptic number.

It is an amenable number.

22663241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22663241 is an equidigital number, since it uses as much as digits as its factorization.

22663241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 22663241 is about 4760.5925051405. The cubic root of 22663241 is about 282.9919004454.

Adding to 22663241 its reverse (14236622), we get a palindrome (36899863).

The spelling of 22663241 in words is "twenty-two million, six hundred sixty-three thousand, two hundred forty-one".