14822221 has 2 divisors, whose sum is σ = 14822222. Its totient is φ = 14822220.

The previous prime is 14822201. The next prime is 14822231. The reversal of 14822221 is 12222841.

14822221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14546596 + 275625 = 3814^2 + 525^2 .

It is an emirp because it is prime and its reverse (12222841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14822221 - 2¹¹ = 14820173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14822192 and 14822201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14822201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7411110 + 7411111.

It is an arithmetic number, because the mean of its divisors is an integer number (7411111).

Almost surely, 2^14822221 is an apocalyptic number.

It is an amenable number.

14822221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14822221 is an equidigital number, since it uses as much as digits as its factorization.

14822221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512, while the sum is 22.

The square root of 14822221 is about 3849.9637660633. The cubic root of 14822221 is about 245.6430200205.

The spelling of 14822221 in words is "fourteen million, eight hundred twenty-two thousand, two hundred twenty-one".