321227 has 2 divisors, whose sum is σ = 321228. Its totient is φ = 321226.

The previous prime is 321221. The next prime is 321239. The reversal of 321227 is 722123.

It is a weak prime.

It is an emirp because it is prime and its reverse (722123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321227 - 2⁶ = 321163 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321227.

It is not a weakly prime, because it can be changed into another prime (321221) 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, 160613 + 160614.

It is an arithmetic number, because the mean of its divisors is an integer number (160614).

2³²¹²²⁷ is an apocalyptic number.

321227 is a deficient number, since it is larger than the sum of its proper divisors (1).

321227 is an equidigital number, since it uses as much as digits as its factorization.

321227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 17.

The square root of 321227 is about 566.7689123444. The cubic root of 321227 is about 68.4863488878.

The spelling of 321227 in words is "three hundred twenty-one thousand, two hundred twenty-seven", and thus it is an iban number.