8422718172248 has 16 divisors (see below), whose sum is σ = 15940190935080. Its totient is φ = 4172000589568.

The previous prime is 8422718172221. The next prime is 8422718172251.

8422718172248 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8422718172193 and 8422718172202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919811161 + ... + 4919812872.

Almost surely, 2^{8422718172248} is an apocalyptic number.

It is an amenable number.

8422718172248 is a deficient number, since it is larger than the sum of its proper divisors (7517472762832).

8422718172248 is a wasteful number, since it uses less digits than its factorization.

8422718172248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839624146 (or 9839624142 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 56.

The spelling of 8422718172248 in words is "eight trillion, four hundred twenty-two billion, seven hundred eighteen million, one hundred seventy-two thousand, two hundred forty-eight".