196227318722 has 18 divisors (see below), whose sum is σ = 299470772793. Its totient is φ = 96432548584.

The previous prime is 196227318691. The next prime is 196227318767. The reversal of 196227318722 is 227813722691.

It can be written as a sum of positive squares in 2 ways, for example, as 109515326761 + 86711991961 = 330931^2 + 294469^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=313231.

It is a super-2 number, since 2×196227318722² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36958604 + ... + 36963912.

Almost surely, 2^196227318722 is an apocalyptic number.

196227318722 is a deficient number, since it is larger than the sum of its proper divisors (103243454071).

196227318722 is an frugal number, since it uses more digits than its factorization.

196227318722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738 (or 5370 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

Multiplying 196227318722 by its sum of digits (50), we get a square (9811365936100 = 3132310²).

The spelling of 196227318722 in words is "one hundred ninety-six billion, two hundred twenty-seven million, three hundred eighteen thousand, seven hundred twenty-two".