8622216 has 48 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 2780640.

The previous prime is 8622209. The next prime is 8622223. The reversal of 8622216 is 6122268.

8622216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8622209) and next prime (8622223).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8622216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^8622216 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 8622216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12055680).

8622216 is an abundant number, since it is smaller than the sum of its proper divisors (15489144).

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

8622216 is a wasteful number, since it uses less digits than its factorization.

8622216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3899 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 8622216 is about 2936.3610132271. The cubic root of 8622216 is about 205.0562288748.

The spelling of 8622216 in words is "eight million, six hundred twenty-two thousand, two hundred sixteen".