197251227 has 8 divisors (see below), whose sum is σ = 292224080. Its totient is φ = 131500800.

The previous prime is 197251199. The next prime is 197251237. The reversal of 197251227 is 722152791.

197251227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197251227 - 2⁶ = 197251163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197251191 and 197251200.

It is not an unprimeable number, because it can be changed into a prime (197251237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652774 + ... + 3652827.

It is an arithmetic number, because the mean of its divisors is an integer number (36528010).

Almost surely, 2^197251227 is an apocalyptic number.

197251227 is a deficient number, since it is larger than the sum of its proper divisors (94972853).

197251227 is an equidigital number, since it uses as much as digits as its factorization.

197251227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305610 (or 7305604 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 197251227 is about 14044.6155874769. The cubic root of 197251227 is about 582.1120254119.

The spelling of 197251227 in words is "one hundred ninety-seven million, two hundred fifty-one thousand, two hundred twenty-seven".