14221243 has 2 divisors, whose sum is σ = 14221244. Its totient is φ = 14221242.

The previous prime is 14221241. The next prime is 14221247. The reversal of 14221243 is 34212241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14221243 - 2¹ = 14221241 is a prime.

Together with 14221241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14221243.

It is not a weakly prime, because it can be changed into another prime (14221241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110621 + 7110622.

It is an arithmetic number, because the mean of its divisors is an integer number (7110622).

Almost surely, 2^14221243 is an apocalyptic number.

14221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221243 is an equidigital number, since it uses as much as digits as its factorization.

14221243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 14221243 is about 3771.1063363422. The cubic root of 14221243 is about 242.2771850681.

Adding to 14221243 its reverse (34212241), we get a palindrome (48433484).

It can be divided in two parts, 142212 and 43, that multiplied together give a palindrome (6115116).

The spelling of 14221243 in words is "fourteen million, two hundred twenty-one thousand, two hundred forty-three".