306229 has 16 divisors (see below), whose sum is σ = 395136. Its totient is φ = 230400.

The previous prime is 306209. The next prime is 306239. The reversal of 306229 is 922603.

It is a cyclic number.

It is not a de Polignac number, because 306229 - 2⁹ = 305717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3109 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (24696).

2³⁰⁶²²⁹ is an apocalyptic number.

It is an amenable number.

306229 is a deficient number, since it is larger than the sum of its proper divisors (88907).

306229 is a wasteful number, since it uses less digits than its factorization.

306229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 306229 is about 553.3796165382. The cubic root of 306229 is about 67.4034467738.

It can be divided in two parts, 306 and 229, that added together give a palindrome (535).

The spelling of 306229 in words is "three hundred six thousand, two hundred twenty-nine".