8342221808 has 40 divisors (see below), whose sum is σ = 16966914048. Its totient is φ = 3965838272.

The previous prime is 8342221801. The next prime is 8342221819. The reversal of 8342221808 is 8081222438.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342221801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6416 + ... + 129327.

Almost surely, 2^8342221808 is an apocalyptic number.

It is an amenable number.

8342221808 is an abundant number, since it is smaller than the sum of its proper divisors (8624692240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8342221808 is a wasteful number, since it uses less digits than its factorization.

8342221808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135941 (or 135935 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 8342221808 is about 91335.7641233706. The cubic root of 8342221808 is about 2028.1212290414.

The spelling of 8342221808 in words is "eight billion, three hundred forty-two million, two hundred twenty-one thousand, eight hundred eight".