8220315 has 16 divisors (see below), whose sum is σ = 13724928. Its totient is φ = 4193376.

The previous prime is 8220313. The next prime is 8220337. The reversal of 8220315 is 5130228.

It is not a de Polignac number, because 8220315 - 2¹ = 8220313 is a prime.

8220315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8220291 and 8220300.

It is not an unprimeable number, because it can be changed into a prime (8220313) 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, 11569 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (857808).

Almost surely, 2^8220315 is an apocalyptic number.

8220315 is a deficient number, since it is larger than the sum of its proper divisors (5504613).

8220315 is a wasteful number, since it uses less digits than its factorization.

8220315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23858.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8220315 is about 2867.1091712734. The cubic root of 8220315 is about 201.8193578338.

The spelling of 8220315 in words is "eight million, two hundred twenty thousand, three hundred fifteen".