195533227 has 2 divisors, whose sum is σ = 195533228. Its totient is φ = 195533226.

The previous prime is 195533209. The next prime is 195533231. The reversal of 195533227 is 722335591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195533227 - 2¹¹ = 195531179 is a prime.

It is a super-2 number, since 2×195533227² = 76466485722067058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195533287) 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, 97766613 + 97766614.

It is an arithmetic number, because the mean of its divisors is an integer number (97766614).

Almost surely, 2^195533227 is an apocalyptic number.

195533227 is a deficient number, since it is larger than the sum of its proper divisors (1).

195533227 is an equidigital number, since it uses as much as digits as its factorization.

195533227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 195533227 is about 13983.3195987219. The cubic root of 195533227 is about 580.4170870336.

The spelling of 195533227 in words is "one hundred ninety-five million, five hundred thirty-three thousand, two hundred twenty-seven".