8106220 has 24 divisors (see below), whose sum is σ = 17085600. Its totient is φ = 3230592.

The previous prime is 8106211. The next prime is 8106251. The reversal of 8106220 is 226018.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (711900).

Almost surely, 2^8106220 is an apocalyptic number.

It is an amenable number.

8106220 is an abundant number, since it is smaller than the sum of its proper divisors (8979380).

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

8106220 is a wasteful number, since it uses less digits than its factorization.

8106220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8106220 is about 2847.1424270661. The cubic root of 8106220 is about 200.8812777109.

The spelling of 8106220 in words is "eight million, one hundred six thousand, two hundred twenty".