11220227 has 2 divisors, whose sum is σ = 11220228. Its totient is φ = 11220226.

The previous prime is 11220211. The next prime is 11220247. The reversal of 11220227 is 72202211.

It is a weak prime.

It is an emirp because it is prime and its reverse (72202211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220227 - 2⁴ = 11220211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11220247) 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, 5610113 + 5610114.

It is an arithmetic number, because the mean of its divisors is an integer number (5610114).

Almost surely, 2^11220227 is an apocalyptic number.

11220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220227 is an equidigital number, since it uses as much as digits as its factorization.

11220227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 11220227 is about 3349.6607290888. The cubic root of 11220227 is about 223.8723962325.

Adding to 11220227 its reverse (72202211), we get a palindrome (83422438).

The spelling of 11220227 in words is "eleven million, two hundred twenty thousand, two hundred twenty-seven".