197469227 has 2 divisors, whose sum is σ = 197469228. Its totient is φ = 197469226.

The previous prime is 197469211. The next prime is 197469257. The reversal of 197469227 is 722964791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197469227 - 2⁴ = 197469211 is a prime.

It is a super-2 number, since 2×197469227² = 77988191223955058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197469257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98734613 + 98734614.

It is an arithmetic number, because the mean of its divisors is an integer number (98734614).

Almost surely, 2^197469227 is an apocalyptic number.

197469227 is a deficient number, since it is larger than the sum of its proper divisors (1).

197469227 is an equidigital number, since it uses as much as digits as its factorization.

197469227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 197469227 is about 14052.3744256976. The cubic root of 197469227 is about 582.3263945060.

The spelling of 197469227 in words is "one hundred ninety-seven million, four hundred sixty-nine thousand, two hundred twenty-seven".