14303221 has 2 divisors, whose sum is σ = 14303222. Its totient is φ = 14303220.

The previous prime is 14303213. The next prime is 14303243. The reversal of 14303221 is 12230341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 1060900 = 3639^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 14303221 - 2³ = 14303213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14303195 and 14303204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14303281) 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, 7151610 + 7151611.

It is an arithmetic number, because the mean of its divisors is an integer number (7151611).

Almost surely, 2^14303221 is an apocalyptic number.

It is an amenable number.

14303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14303221 is an equidigital number, since it uses as much as digits as its factorization.

14303221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 14303221 is about 3781.9599416176. The cubic root of 14303221 is about 242.7418269965.

Adding to 14303221 its reverse (12230341), we get a palindrome (26533562).

The spelling of 14303221 in words is "fourteen million, three hundred three thousand, two hundred twenty-one".