229912 has 16 divisors (see below), whose sum is σ = 446400. Its totient is φ = 110880.

The previous prime is 229903. The next prime is 229937. The reversal of 229912 is 219922.

It is a congruent number.

It is an unprimeable number.

229912 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, 264 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

2²²⁹⁹¹² is an apocalyptic number.

It is an amenable number.

229912 is a deficient number, since it is larger than the sum of its proper divisors (216488).

229912 is a wasteful number, since it uses less digits than its factorization.

229912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 229912 is about 479.4913972117. The cubic root of 229912 is about 61.2614417054.

The spelling of 229912 in words is "two hundred twenty-nine thousand, nine hundred twelve".