196816229 has 2 divisors, whose sum is σ = 196816230. Its totient is φ = 196816228.

The previous prime is 196816223. The next prime is 196816297. The reversal of 196816229 is 922618691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184552225 + 12264004 = 13585^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 196816229 - 2¹⁶ = 196750693 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196816229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196816223) 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, 98408114 + 98408115.

It is an arithmetic number, because the mean of its divisors is an integer number (98408115).

Almost surely, 2^196816229 is an apocalyptic number.

It is an amenable number.

196816229 is a deficient number, since it is larger than the sum of its proper divisors (1).

196816229 is an equidigital number, since it uses as much as digits as its factorization.

196816229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The square root of 196816229 is about 14029.1207493556. The cubic root of 196816229 is about 581.6838000480.

The spelling of 196816229 in words is "one hundred ninety-six million, eight hundred sixteen thousand, two hundred twenty-nine".