4191227 has 2 divisors, whose sum is σ = 4191228. Its totient is φ = 4191226.

The previous prime is 4191217. The next prime is 4191233. The reversal of 4191227 is 7221914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4191227 - 2¹⁶ = 4125691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4191196 and 4191205.

It is not a weakly prime, because it can be changed into another prime (4191217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2095613 + 2095614.

It is an arithmetic number, because the mean of its divisors is an integer number (2095614).

Almost surely, 2^4191227 is an apocalyptic number.

4191227 is a deficient number, since it is larger than the sum of its proper divisors (1).

4191227 is an equidigital number, since it uses as much as digits as its factorization.

4191227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 4191227 is about 2047.2486414698. The cubic root of 4191227 is about 161.2304481232.

The spelling of 4191227 in words is "four million, one hundred ninety-one thousand, two hundred twenty-seven".