8220516 has 24 divisors (see below), whose sum is σ = 19236000. Its totient is φ = 2732352.

The previous prime is 8220497. The next prime is 8220517. The reversal of 8220516 is 6150228.

It is not an unprimeable number, because it can be changed into a prime (8220517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (801500).

Almost surely, 2^8220516 is an apocalyptic number.

It is an amenable number.

8220516 is an abundant number, since it is smaller than the sum of its proper divisors (11015484).

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

8220516 is a wasteful number, since it uses less digits than its factorization.

8220516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8220516 is about 2867.1442237878. The cubic root of 8220516 is about 201.8210027570.

The spelling of 8220516 in words is "eight million, two hundred twenty thousand, five hundred sixteen".