8486221216 has 48 divisors (see below), whose sum is σ = 18260188128. Its totient is φ = 3850156800.

The previous prime is 8486221213. The next prime is 8486221231. The reversal of 8486221216 is 6121226848.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8486221213) 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, 168151 + ... + 212713.

It is an arithmetic number, because the mean of its divisors is an integer number (380420586).

Almost surely, 2^8486221216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8486221216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9130094064).

8486221216 is an abundant number, since it is smaller than the sum of its proper divisors (9773966912).

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

8486221216 is a wasteful number, since it uses less digits than its factorization.

8486221216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45125 (or 45117 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 8486221216 is about 92120.6883170116. The cubic root of 8486221216 is about 2039.7242046741.

The spelling of 8486221216 in words is "eight billion, four hundred eighty-six million, two hundred twenty-one thousand, two hundred sixteen".