212227 has 2 divisors, whose sum is σ = 212228. Its totient is φ = 212226.

The previous prime is 212209. The next prime is 212239. The reversal of 212227 is 722212.

212227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212227 - 2⁷ = 212099 is a prime.

It is a pancake number, because a pancake can be divided into 212227 parts by 651 straight cuts.

212227 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 212227.

It is not a weakly prime, because it can be changed into another prime (212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106113 + 106114.

It is an arithmetic number, because the mean of its divisors is an integer number (106114).

2²¹²²²⁷ is an apocalyptic number.

212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212227 is an equidigital number, since it uses as much as digits as its factorization.

212227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112, while the sum is 16.

The square root of 212227 is about 460.6810176250. The cubic root of 212227 is about 59.6485940639.

Adding to 212227 its reverse (722212), we get a palindrome (934439).

The spelling of 212227 in words is "two hundred twelve thousand, two hundred twenty-seven", and thus it is an iban number.