229297 has 4 divisors (see below), whose sum is σ = 230256. Its totient is φ = 228340.

The previous prime is 229283. The next prime is 229309. The reversal of 229297 is 792922.

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 a de Polignac number, because none of the positive numbers 2^k-229297 is a prime.

It is a super-2 number, since 2×229297² = 105154228418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229217) 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, 222 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (57564).

2²²⁹²⁹⁷ is an apocalyptic number.

It is an amenable number.

229297 is a deficient number, since it is larger than the sum of its proper divisors (959).

229297 is an equidigital number, since it uses as much as digits as its factorization.

229297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its digits is 4536, while the sum is 31.

The square root of 229297 is about 478.8496632556. The cubic root of 229297 is about 61.2067694393.

The spelling of 229297 in words is "two hundred twenty-nine thousand, two hundred ninety-seven".