197082227 has 2 divisors, whose sum is σ = 197082228. Its totient is φ = 197082226.

The previous prime is 197082217. The next prime is 197082247. The reversal of 197082227 is 722280791.

It is a weak prime.

It is an emirp because it is prime and its reverse (722280791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197082227 - 2⁶ = 197082163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197082217) 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, 98541113 + 98541114.

It is an arithmetic number, because the mean of its divisors is an integer number (98541114).

Almost surely, 2^197082227 is an apocalyptic number.

197082227 is a deficient number, since it is larger than the sum of its proper divisors (1).

197082227 is an equidigital number, since it uses as much as digits as its factorization.

197082227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 197082227 is about 14038.5977576110. The cubic root of 197082227 is about 581.9457314884.

The spelling of 197082227 in words is "one hundred ninety-seven million, eighty-two thousand, two hundred twenty-seven".