229668 has 12 divisors (see below), whose sum is σ = 535920. Its totient is φ = 76552.

The previous prime is 229639. The next prime is 229681. The reversal of 229668 is 866922.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

229668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9558 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (44660).

2²²⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

229668 is an abundant number, since it is smaller than the sum of its proper divisors (306252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229668 is a wasteful number, since it uses less digits than its factorization.

229668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19146 (or 19144 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 229668 is about 479.2368934045. The cubic root of 229668 is about 61.2397622761.

The spelling of 229668 in words is "two hundred twenty-nine thousand, six hundred sixty-eight".