8294220 has 144 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 1948800.

The previous prime is 8294213. The next prime is 8294233. The reversal of 8294220 is 224928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116785 + ... + 116855.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^8294220 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 8294220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

8294220 is an abundant number, since it is smaller than the sum of its proper divisors (20010420).

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

8294220 is a wasteful number, since it uses less digits than its factorization.

8294220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 151 counting only the distinct ones).

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

The square root of 8294220 is about 2879.9687498305. The cubic root of 8294220 is about 202.4223753690.

The spelling of 8294220 in words is "eight million, two hundred ninety-four thousand, two hundred twenty".