223197 has 16 divisors (see below), whose sum is σ = 329280. Its totient is φ = 133632.

The previous prime is 223151. The next prime is 223207. The reversal of 223197 is 791322.

It is not a de Polignac number, because 223197 - 2⁶ = 223133 is a prime.

It is a super-3 number, since 3×223197³ = 33356948429599119, which contains 333 as substring.

223197 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223697) 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 15 ways as a sum of consecutive naturals, for example, 2253 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2²²³¹⁹⁷ is an apocalyptic number.

It is an amenable number.

223197 is a deficient number, since it is larger than the sum of its proper divisors (106083).

223197 is a wasteful number, since it uses less digits than its factorization.

223197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 756, while the sum is 24.

The square root of 223197 is about 472.4372974269. The cubic root of 223197 is about 60.6591216851.

The spelling of 223197 in words is "two hundred twenty-three thousand, one hundred ninety-seven".