229747 has 8 divisors (see below), whose sum is σ = 274176. Its totient is φ = 188232.

The previous prime is 229739. The next prime is 229751. The reversal of 229747 is 747922.

It is a happy number.

229747 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 229747 - 2³ = 229739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2²²⁹⁷⁴⁷ is an apocalyptic number.

229747 is a deficient number, since it is larger than the sum of its proper divisors (44429).

229747 is a wasteful number, since it uses less digits than its factorization.

229747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its digits is 7056, while the sum is 31.

The square root of 229747 is about 479.3193090206. The cubic root of 229747 is about 61.2467831158.

The spelling of 229747 in words is "two hundred twenty-nine thousand, seven hundred forty-seven".