195580226 has 8 divisors (see below), whose sum is σ = 296062140. Its totient is φ = 96892848.

The previous prime is 195580219. The next prime is 195580237. The reversal of 195580226 is 622085591.

It is a Cunningham number, because it is equal to 13985²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 195580225 + 1 = 13985^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×195580226² = 76503249604422152, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 195580226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448361 + ... + 448796.

Almost surely, 2^195580226 is an apocalyptic number.

195580226 is a deficient number, since it is larger than the sum of its proper divisors (100481914).

195580226 is a wasteful number, since it uses less digits than its factorization.

195580226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897268.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 195580226 is about 13985.0000357526. Note that the first 4 decimals coincide. The cubic root of 195580226 is about 580.4635869520.

The spelling of 195580226 in words is "one hundred ninety-five million, five hundred eighty thousand, two hundred twenty-six".