229345 has 4 divisors (see below), whose sum is σ = 275220. Its totient is φ = 183472.

The previous prime is 229343. The next prime is 229351. The reversal of 229345 is 543922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 108241 = 348^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 229345 - 2¹ = 229343 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 3⁹ + 9² + 4⁴ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (229343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22930 + ... + 22939.

It is an arithmetic number, because the mean of its divisors is an integer number (68805).

2²²⁹³⁴⁵ is an apocalyptic number.

It is an amenable number.

229345 is a deficient number, since it is larger than the sum of its proper divisors (45875).

229345 is an equidigital number, since it uses as much as digits as its factorization.

229345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45874.

The product of its digits is 2160, while the sum is 25.

The square root of 229345 is about 478.8997807475. The cubic root of 229345 is about 61.2110400577.

The spelling of 229345 in words is "two hundred twenty-nine thousand, three hundred forty-five".