168286229 has 2 divisors, whose sum is σ = 168286230. Its totient is φ = 168286228.

The previous prime is 168286207. The next prime is 168286291. The reversal of 168286229 is 922682861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158508100 + 9778129 = 12590^2 + 3127^2 .

It is an emirp because it is prime and its reverse (922682861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168286229 - 2¹⁶ = 168220693 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 168286229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168286429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84143114 + 84143115.

It is an arithmetic number, because the mean of its divisors is an integer number (84143115).

Almost surely, 2^168286229 is an apocalyptic number.

It is an amenable number.

168286229 is a deficient number, since it is larger than the sum of its proper divisors (1).

168286229 is an equidigital number, since it uses as much as digits as its factorization.

168286229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 168286229 is about 12972.5182212244. The cubic root of 168286229 is about 552.0980241885.

The spelling of 168286229 in words is "one hundred sixty-eight million, two hundred eighty-six thousand, two hundred twenty-nine".