297223 has 4 divisors (see below), whose sum is σ = 300888. Its totient is φ = 293560.

The previous prime is 297191. The next prime is 297233. The reversal of 297223 is 322792.

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

It is a cyclic number.

It is not a de Polignac number, because 297223 - 2⁵ = 297191 is a prime.

It is a Duffinian number.

297223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297233) 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, 1708 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (75222).

2²⁹⁷²²³ is an apocalyptic number.

297223 is a deficient number, since it is larger than the sum of its proper divisors (3665).

297223 is an equidigital number, since it uses as much as digits as its factorization.

297223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its digits is 1512, while the sum is 25.

The square root of 297223 is about 545.1816211136. The cubic root of 297223 is about 66.7360971105.

The spelling of 297223 in words is "two hundred ninety-seven thousand, two hundred twenty-three".