14355852221 has 2 divisors, whose sum is σ = 14355852222. Its totient is φ = 14355852220.

The previous prime is 14355852151. The next prime is 14355852227. The reversal of 14355852221 is 12225855341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13423771321 + 932080900 = 115861^2 + 30530^2 .

It is a cyclic number.

It is not a de Polignac number, because 14355852221 - 2³⁰ = 13282110397 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 (14355852227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7177926110 + 7177926111.

It is an arithmetic number, because the mean of its divisors is an integer number (7177926111).

Almost surely, 2^14355852221 is an apocalyptic number.

It is an amenable number.

14355852221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14355852221 is an equidigital number, since it uses as much as digits as its factorization.

14355852221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 38.

The spelling of 14355852221 in words is "fourteen billion, three hundred fifty-five million, eight hundred fifty-two thousand, two hundred twenty-one".