229865 has 8 divisors (see below), whose sum is σ = 284928. Its totient is φ = 177840.

The previous prime is 229849. The next prime is 229897. The reversal of 229865 is 568922.

229865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229865 - 2⁴ = 229849 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 896.

It is an arithmetic number, because the mean of its divisors is an integer number (35616).

2²²⁹⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

229865 is a deficient number, since it is larger than the sum of its proper divisors (55063).

229865 is a wasteful number, since it uses less digits than its factorization.

229865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 8640, while the sum is 32.

The square root of 229865 is about 479.4423844426. The cubic root of 229865 is about 61.2572669429.

The spelling of 229865 in words is "two hundred twenty-nine thousand, eight hundred sixty-five".