227980237 has 2 divisors, whose sum is σ = 227980238. Its totient is φ = 227980236.

The previous prime is 227980187. The next prime is 227980243. The reversal of 227980237 is 732089722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203319081 + 24661156 = 14259^2 + 4966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227980237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227980237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227980267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113990118 + 113990119.

It is an arithmetic number, because the mean of its divisors is an integer number (113990119).

Almost surely, 2^227980237 is an apocalyptic number.

It is an amenable number.

227980237 is a deficient number, since it is larger than the sum of its proper divisors (1).

227980237 is an equidigital number, since it uses as much as digits as its factorization.

227980237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 227980237 is about 15099.0144380354. The cubic root of 227980237 is about 610.8938226858.

The spelling of 227980237 in words is "two hundred twenty-seven million, nine hundred eighty thousand, two hundred thirty-seven".