8220282 has 64 divisors (see below), whose sum is σ = 20632320. Its totient is φ = 2128896.

The previous prime is 8220281. The next prime is 8220283. The reversal of 8220282 is 2820228.

It is an interprime number because it is at equal distance from previous prime (8220281) and next prime (8220283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20508 + ... + 20904.

It is an arithmetic number, because the mean of its divisors is an integer number (322380).

Almost surely, 2^8220282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8220282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10316160).

8220282 is an abundant number, since it is smaller than the sum of its proper divisors (12412038).

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

8220282 is a wasteful number, since it uses less digits than its factorization.

8220282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8220282 is about 2867.1034163420. The cubic root of 8220282 is about 201.8190877692.

The spelling of 8220282 in words is "eight million, two hundred twenty thousand, two hundred eighty-two".