227812229 has 2 divisors, whose sum is σ = 227812230. Its totient is φ = 227812228.

The previous prime is 227812213. The next prime is 227812241. The reversal of 227812229 is 922218722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146361604 + 81450625 = 12098^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 227812229 - 2⁴ = 227812213 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227812129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113906114 + 113906115.

It is an arithmetic number, because the mean of its divisors is an integer number (113906115).

Almost surely, 2^227812229 is an apocalyptic number.

It is an amenable number.

227812229 is a deficient number, since it is larger than the sum of its proper divisors (1).

227812229 is an equidigital number, since it uses as much as digits as its factorization.

227812229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 227812229 is about 15093.4498707221. The cubic root of 227812229 is about 610.7437215586.

The spelling of 227812229 in words is "two hundred twenty-seven million, eight hundred twelve thousand, two hundred twenty-nine".