227171149 has 2 divisors, whose sum is σ = 227171150. Its totient is φ = 227171148.

The previous prime is 227171129. The next prime is 227171159. The reversal of 227171149 is 941171722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141015625 + 86155524 = 11875^2 + 9282^2 .

It is a cyclic number.

It is not a de Polignac number, because 227171149 - 2⁵ = 227171117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227171129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113585574 + 113585575.

It is an arithmetic number, because the mean of its divisors is an integer number (113585575).

Almost surely, 2^227171149 is an apocalyptic number.

It is an amenable number.

227171149 is a deficient number, since it is larger than the sum of its proper divisors (1).

227171149 is an equidigital number, since it uses as much as digits as its factorization.

227171149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 34.

The square root of 227171149 is about 15072.1978821936. The cubic root of 227171149 is about 610.1702910748.

The spelling of 227171149 in words is "two hundred twenty-seven million, one hundred seventy-one thousand, one hundred forty-nine".