11228171 has 2 divisors, whose sum is σ = 11228172. Its totient is φ = 11228170.

The previous prime is 11228167. The next prime is 11228207. The reversal of 11228171 is 17182211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11228171 - 2² = 11228167 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11228671) 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, 5614085 + 5614086.

It is an arithmetic number, because the mean of its divisors is an integer number (5614086).

Almost surely, 2^11228171 is an apocalyptic number.

11228171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11228171 is an equidigital number, since it uses as much as digits as its factorization.

11228171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 23.

The square root of 11228171 is about 3350.8463110086. The cubic root of 11228171 is about 223.9252181812.

The spelling of 11228171 in words is "eleven million, two hundred twenty-eight thousand, one hundred seventy-one".