14224681 has 2 divisors, whose sum is σ = 14224682. Its totient is φ = 14224680.

The previous prime is 14224669. The next prime is 14224697. The reversal of 14224681 is 18642241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13808656 + 416025 = 3716^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 14224681 - 2¹¹ = 14222633 is a prime.

It is a super-2 number, since 2×14224681² = 404683099103522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14224981) 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, 7112340 + 7112341.

It is an arithmetic number, because the mean of its divisors is an integer number (7112341).

Almost surely, 2^14224681 is an apocalyptic number.

It is an amenable number.

14224681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224681 is an equidigital number, since it uses as much as digits as its factorization.

14224681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 14224681 is about 3771.5621431974. The cubic root of 14224681 is about 242.2967070806.

The spelling of 14224681 in words is "fourteen million, two hundred twenty-four thousand, six hundred eighty-one".