229565 has 12 divisors (see below), whose sum is σ = 320796. Its totient is φ = 157248.

The previous prime is 229561. The next prime is 229583. The reversal of 229565 is 565922.

229565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 188356 = 203^2 + 434^2 .

It is not a de Polignac number, because 229565 - 2² = 229561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (26733).

2²²⁹⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

229565 is a deficient number, since it is larger than the sum of its proper divisors (91231).

229565 is an equidigital number, since it uses as much as digits as its factorization.

229565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 949 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 229565 is about 479.1294188421. The cubic root of 229565 is about 61.2306061048.

The spelling of 229565 in words is "two hundred twenty-nine thousand, five hundred sixty-five".