14022221221 has 2 divisors, whose sum is σ = 14022221222. Its totient is φ = 14022221220.

The previous prime is 14022221153. The next prime is 14022221243. The reversal of 14022221221 is 12212222041.

14022221221 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., 9704417121 + 4317804100 = 98511^2 + 65710^2 .

It is a cyclic number.

It is not a de Polignac number, because 14022221221 - 2¹⁷ = 14022090149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14022221281) 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, 7011110610 + 7011110611.

It is an arithmetic number, because the mean of its divisors is an integer number (7011110611).

Almost surely, 2^14022221221 is an apocalyptic number.

It is an amenable number.

14022221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14022221221 is an equidigital number, since it uses as much as digits as its factorization.

14022221221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 14022221221 its reverse (12212222041), we get a palindrome (26234443262).

The spelling of 14022221221 in words is "fourteen billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".