14201607221 has 2 divisors, whose sum is σ = 14201607222. Its totient is φ = 14201607220.

The previous prime is 14201607193. The next prime is 14201607281. The reversal of 14201607221 is 12270610241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9303567025 + 4898040196 = 96455^2 + 69986^2 .

It is a cyclic number.

It is not a de Polignac number, because 14201607221 - 2²² = 14197412917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14201607281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7100803610 + 7100803611.

It is an arithmetic number, because the mean of its divisors is an integer number (7100803611).

Almost surely, 2^14201607221 is an apocalyptic number.

It is an amenable number.

14201607221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14201607221 is an equidigital number, since it uses as much as digits as its factorization.

14201607221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 14201607221 in words is "fourteen billion, two hundred one million, six hundred seven thousand, two hundred twenty-one".