243227 has 2 divisors, whose sum is σ = 243228. Its totient is φ = 243226.

The previous prime is 243209. The next prime is 243233. The reversal of 243227 is 722342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243227 - 2⁸ = 242971 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 243199 and 243208.

It is not a weakly prime, because it can be changed into another prime (243527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121613 + 121614.

It is an arithmetic number, because the mean of its divisors is an integer number (121614).

2²⁴³²²⁷ is an apocalyptic number.

243227 is a deficient number, since it is larger than the sum of its proper divisors (1).

243227 is an equidigital number, since it uses as much as digits as its factorization.

243227 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 243227 is about 493.1804943426. The cubic root of 243227 is about 62.4219398798.

Adding to 243227 its reverse (722342), we get a palindrome (965569).

The spelling of 243227 in words is "two hundred forty-three thousand, two hundred twenty-seven", and thus it is an iban number.