316229 has 4 divisors (see below), whose sum is σ = 317376. Its totient is φ = 315084.

The previous prime is 316223. The next prime is 316241. The reversal of 316229 is 922613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 316229 - 2⁴ = 316213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316229.

It is not an unprimeable number, because it can be changed into a prime (316223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2³¹⁶²²⁹ is an apocalyptic number.

It is an amenable number.

316229 is a deficient number, since it is larger than the sum of its proper divisors (1147).

316229 is an equidigital number, since it uses as much as digits as its factorization.

316229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its digits is 648, while the sum is 23.

The square root of 316229 is about 562.3424223727. The cubic root of 316229 is about 68.1292955236.

It can be divided in two parts, 316 and 229, that added together give a palindrome (545).

The spelling of 316229 in words is "three hundred sixteen thousand, two hundred twenty-nine".