2668229 has 2 divisors, whose sum is σ = 2668230. Its totient is φ = 2668228.

The previous prime is 2668219. The next prime is 2668231. The reversal of 2668229 is 9228662.

2668229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 388129 = 1510^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668229 - 2⁴ = 2668213 is a prime.

Together with 2668231, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 6² + 6⁶ + 8 + 2¹⁹ + 2²¹ + 9² .

It is equal to p₁₉₄₄₉₈ and since 2668229 and 194498 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334114 + 1334115.

It is an arithmetic number, because the mean of its divisors is an integer number (1334115).

2^2668229 is an apocalyptic number.

It is an amenable number.

2668229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668229 is an equidigital number, since it uses as much as digits as its factorization.

2668229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 2668229 is about 1633.4714567448. The cubic root of 2668229 is about 138.6993311188.

The spelling of 2668229 in words is "two million, six hundred sixty-eight thousand, two hundred twenty-nine".