14228400217 has 2 divisors, whose sum is σ = 14228400218. Its totient is φ = 14228400216.

The previous prime is 14228400163. The next prime is 14228400227. The reversal of 14228400217 is 71200482241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9048575376 + 5179824841 = 95124^2 + 71971^2 .

It is a cyclic number.

It is not a de Polignac number, because 14228400217 - 2²³ = 14220011609 is a prime.

It is not a weakly prime, because it can be changed into another prime (14228400227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7114200108 + 7114200109.

It is an arithmetic number, because the mean of its divisors is an integer number (7114200109).

Almost surely, 2^14228400217 is an apocalyptic number.

It is an amenable number.

14228400217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14228400217 is an equidigital number, since it uses as much as digits as its factorization.

14228400217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

Adding to 14228400217 its reverse (71200482241), we get a palindrome (85428882458).

The spelling of 14228400217 in words is "fourteen billion, two hundred twenty-eight million, four hundred thousand, two hundred seventeen".