206716229 has 2 divisors, whose sum is σ = 206716230. Its totient is φ = 206716228.

The previous prime is 206716201. The next prime is 206716241. The reversal of 206716229 is 922617602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196056004 + 10660225 = 14002^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 206716229 - 2¹⁶ = 206650693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206746229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103358114 + 103358115.

It is an arithmetic number, because the mean of its divisors is an integer number (103358115).

Almost surely, 2^206716229 is an apocalyptic number.

It is an amenable number.

206716229 is a deficient number, since it is larger than the sum of its proper divisors (1).

206716229 is an equidigital number, since it uses as much as digits as its factorization.

206716229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 206716229 is about 14377.6294638581. The cubic root of 206716229 is about 591.2777336075.

The spelling of 206716229 in words is "two hundred six million, seven hundred sixteen thousand, two hundred twenty-nine".