22680017 has 2 divisors, whose sum is σ = 22680018. Its totient is φ = 22680016.

The previous prime is 22679971. The next prime is 22680029. The reversal of 22680017 is 71008622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19149376 + 3530641 = 4376^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 22680017 - 2¹⁶ = 22614481 is a prime.

It is a super-2 number, since 2×22680017² = 1028766342240578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22680067) 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, 11340008 + 11340009.

It is an arithmetic number, because the mean of its divisors is an integer number (11340009).

Almost surely, 2^22680017 is an apocalyptic number.

It is an amenable number.

22680017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22680017 is an equidigital number, since it uses as much as digits as its factorization.

22680017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 22680017 is about 4762.3541447482. The cubic root of 22680017 is about 283.0617095428.

Adding to 22680017 its reverse (71008622), we get a palindrome (93688639).

The spelling of 22680017 in words is "twenty-two million, six hundred eighty thousand, seventeen".