8220084 has 48 divisors (see below), whose sum is σ = 20858880. Its totient is φ = 2509920.

The previous prime is 8220013. The next prime is 8220089. The reversal of 8220084 is 4800228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220089) 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, 6487 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (434560).

Almost surely, 2^8220084 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 8220084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10429440).

8220084 is an abundant number, since it is smaller than the sum of its proper divisors (12638796).

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

8220084 is a wasteful number, since it uses less digits than its factorization.

8220084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1218 counting only the distinct ones).

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

The square root of 8220084 is about 2867.0688865111. The cubic root of 8220084 is about 201.8174673666.

The spelling of 8220084 in words is "eight million, two hundred twenty thousand, eighty-four".