195322905 has 24 divisors (see below), whose sum is σ = 339510912. Its totient is φ = 103879584.

The previous prime is 195322891. The next prime is 195322913. The reversal of 195322905 is 509223591.

It is a happy number.

It is not a de Polignac number, because 195322905 - 2¹⁶ = 195257369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195322905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10602 + ... + 22428.

It is an arithmetic number, because the mean of its divisors is an integer number (14146288).

Almost surely, 2^195322905 is an apocalyptic number.

195322905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195322905 is a deficient number, since it is larger than the sum of its proper divisors (144188007).

195322905 is a wasteful number, since it uses less digits than its factorization.

195322905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205 (or 12202 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 195322905 is about 13975.7971150128. The cubic root of 195322905 is about 580.2089071081.

The spelling of 195322905 in words is "one hundred ninety-five million, three hundred twenty-two thousand, nine hundred five".