8286222 has 32 divisors (see below), whose sum is σ = 19176192. Its totient is φ = 2337984.

The previous prime is 8286217. The next prime is 8286227. The reversal of 8286222 is 2226828.

It is an interprime number because it is at equal distance from previous prime (8286217) and next prime (8286227).

It is a super-2 number, since 2×8286222² = 137322950066568, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8286222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8286227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (599256).

Almost surely, 2^8286222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8286222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9588096).

8286222 is an abundant number, since it is smaller than the sum of its proper divisors (10889970).

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

8286222 is a wasteful number, since it uses less digits than its factorization.

8286222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its digits is 6144, while the sum is 30.

The square root of 8286222 is about 2878.5798581940. The cubic root of 8286222 is about 202.3572900919.

The spelling of 8286222 in words is "eight million, two hundred eighty-six thousand, two hundred twenty-two".