7882220 has 48 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 2924544.

The previous prime is 7882219. The next prime is 7882243. The reversal of 7882220 is 222887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32861 + ... + 33099.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^7882220 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 7882220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8890560).

7882220 is an abundant number, since it is smaller than the sum of its proper divisors (9898900).

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

7882220 is a wasteful number, since it uses less digits than its factorization.

7882220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7882220 is about 2807.5291628049. The cubic root of 7882220 is about 199.0136435012.

The spelling of 7882220 in words is "seven million, eight hundred eighty-two thousand, two hundred twenty".