14052221 has 2 divisors, whose sum is σ = 14052222. Its totient is φ = 14052220.

The previous prime is 14052209. The next prime is 14052253. The reversal of 14052221 is 12225041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 5112121 = 2990^2 + 2261^2 .

It is an emirp because it is prime and its reverse (12225041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14052221 - 2¹⁴ = 14035837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14052221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14052821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7026110 + 7026111.

It is an arithmetic number, because the mean of its divisors is an integer number (7026111).

Almost surely, 2^14052221 is an apocalyptic number.

It is an amenable number.

14052221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14052221 is an equidigital number, since it uses as much as digits as its factorization.

14052221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 14052221 is about 3748.6292161269. The cubic root of 14052221 is about 241.3135213549.

Adding to 14052221 its reverse (12225041), we get a palindrome (26277262).

The spelling of 14052221 in words is "fourteen million, fifty-two thousand, two hundred twenty-one".