195622201 has 2 divisors, whose sum is σ = 195622202. Its totient is φ = 195622200.

The previous prime is 195622177. The next prime is 195622211. The reversal of 195622201 is 102226591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174874176 + 20748025 = 13224^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 195622201 - 2⁷ = 195622073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195622201.

It is not a weakly prime, because it can be changed into another prime (195622211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97811100 + 97811101.

It is an arithmetic number, because the mean of its divisors is an integer number (97811101).

Almost surely, 2^195622201 is an apocalyptic number.

It is an amenable number.

195622201 is a deficient number, since it is larger than the sum of its proper divisors (1).

195622201 is an equidigital number, since it uses as much as digits as its factorization.

195622201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 195622201 is about 13986.5006702892. The cubic root of 195622201 is about 580.5051099231.

Adding to 195622201 its reverse (102226591), we get a palindrome (297848792).

The spelling of 195622201 in words is "one hundred ninety-five million, six hundred twenty-two thousand, two hundred one".