223247 has 2 divisors, whose sum is σ = 223248. Its totient is φ = 223246.

The previous prime is 223243. The next prime is 223253. The reversal of 223247 is 742322.

It is a happy number.

223247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223247 - 2² = 223243 is a prime.

It is a super-3 number, since 3×223247³ = 33379371057270669, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111623 + 111624.

It is an arithmetic number, because the mean of its divisors is an integer number (111624).

2²²³²⁴⁷ is an apocalyptic number.

223247 is a deficient number, since it is larger than the sum of its proper divisors (1).

223247 is an equidigital number, since it uses as much as digits as its factorization.

223247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 20.

The square root of 223247 is about 472.4902115388. The cubic root of 223247 is about 60.6636509121.

Adding to 223247 its reverse (742322), we get a palindrome (965569).

The spelling of 223247 in words is "two hundred twenty-three thousand, two hundred forty-seven", and thus it is an iban number.