14221289 has 2 divisors, whose sum is σ = 14221290. Its totient is φ = 14221288.

The previous prime is 14221247. The next prime is 14221297. The reversal of 14221289 is 98212241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 774400 = 3667^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221289 - 2²⁰ = 13172713 is a prime.

It is not a weakly prime, because it can be changed into another prime (14221489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110644 + 7110645.

It is an arithmetic number, because the mean of its divisors is an integer number (7110645).

Almost surely, 2^14221289 is an apocalyptic number.

It is an amenable number.

14221289 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221289 is an equidigital number, since it uses as much as digits as its factorization.

14221289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 14221289 is about 3771.1124353432. The cubic root of 14221289 is about 242.2774462909.

The spelling of 14221289 in words is "fourteen million, two hundred twenty-one thousand, two hundred eighty-nine".