14133221 has 2 divisors, whose sum is σ = 14133222. Its totient is φ = 14133220.

The previous prime is 14133211. The next prime is 14133253. The reversal of 14133221 is 12233141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 3150625 = 3314^2 + 1775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14133221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14133221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14133211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066610 + 7066611.

It is an arithmetic number, because the mean of its divisors is an integer number (7066611).

Almost surely, 2^14133221 is an apocalyptic number.

It is an amenable number.

14133221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14133221 is an equidigital number, since it uses as much as digits as its factorization.

14133221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 14133221 is about 3759.4176410716. The cubic root of 14133221 is about 241.7762941912.

Adding to 14133221 its reverse (12233141), we get a palindrome (26366362).

The spelling of 14133221 in words is "fourteen million, one hundred thirty-three thousand, two hundred twenty-one".