195924228242 has 6 divisors (see below), whose sum is σ = 293887281333. Its totient is φ = 97961801132.

The previous prime is 195924228239. The next prime is 195924228263. The reversal of 195924228242 is 242822429591.

It can be written as a sum of positive squares in 2 ways, for example, as 190452815281 + 5471412961 = 436409^2 + 73969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=312989.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 469484 + ... + 782472.

Almost surely, 2^195924228242 is an apocalyptic number.

195924228242 is a deficient number, since it is larger than the sum of its proper divisors (97963053091).

195924228242 is an frugal number, since it uses more digits than its factorization.

195924228242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625980 (or 312991 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

Multiplying 195924228242 by its sum of digits (50), we get a square (9796211412100 = 3129890²).

The spelling of 195924228242 in words is "one hundred ninety-five billion, nine hundred twenty-four million, two hundred twenty-eight thousand, two hundred forty-two".