229913 has 4 divisors (see below), whose sum is σ = 231168. Its totient is φ = 228660.

The previous prime is 229903. The next prime is 229937. The reversal of 229913 is 319922.

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.

It is a cyclic number.

It is not a de Polignac number, because 229913 - 2⁴ = 229897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (57792).

2²²⁹⁹¹³ is an apocalyptic number.

It is an amenable number.

229913 is a deficient number, since it is larger than the sum of its proper divisors (1255).

229913 is a wasteful number, since it uses less digits than its factorization.

229913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its digits is 972, while the sum is 26.

The square root of 229913 is about 479.4924399821. The cubic root of 229913 is about 61.2615305239.

Subtracting 229913 from its reverse (319922), we obtain a palindrome (90009).

The spelling of 229913 in words is "two hundred twenty-nine thousand, nine hundred thirteen".