195668228 has 24 divisors (see below), whose sum is σ = 393103872. Its totient is φ = 83479104.

The previous prime is 195668219. The next prime is 195668237. The reversal of 195668228 is 822866591.

It is an interprime number because it is at equal distance from previous prime (195668219) and next prime (195668237).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9425 + ... + 21912.

It is an arithmetic number, because the mean of its divisors is an integer number (16379328).

Almost surely, 2^195668228 is an apocalyptic number.

It is an amenable number.

195668228 is an abundant number, since it is smaller than the sum of its proper divisors (197435644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195668228 is a wasteful number, since it uses less digits than its factorization.

195668228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31571 (or 31569 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 195668228 is about 13988.1459815088. The cubic root of 195668228 is about 580.5506344313.

The spelling of 195668228 in words is "one hundred ninety-five million, six hundred sixty-eight thousand, two hundred twenty-eight".