8222143680818 has 8 divisors (see below), whose sum is σ = 12344499344748. Its totient is φ = 4107310565904.

The previous prime is 8222143680811. The next prime is 8222143680823. The reversal of 8222143680818 is 8180863412228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4676955541129 + 3545188139689 = 2162627^2 + 1882867^2 .

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

It is a super-2 number, since 2×8222143680818² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8222143680818.

It is not an unprimeable number, because it can be changed into a prime (8222143680811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1880634521 + ... + 1880638892.

Almost surely, 2^{8222143680818} is an apocalyptic number.

8222143680818 is a deficient number, since it is larger than the sum of its proper divisors (4122355663930).

8222143680818 is a wasteful number, since it uses less digits than its factorization.

8222143680818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761274508.

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 8222143680818 in words is "eight trillion, two hundred twenty-two billion, one hundred forty-three million, six hundred eighty thousand, eight hundred eighteen".