8218245 has 64 divisors (see below), whose sum is σ = 16257024. Its totient is φ = 3463680.

The previous prime is 8218229. The next prime is 8218253. The reversal of 8218245 is 5428128.

It is not a de Polignac number, because 8218245 - 2⁴ = 8218229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98974 + ... + 99056.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^8218245 is an apocalyptic number.

It is an amenable number.

8218245 is a deficient number, since it is larger than the sum of its proper divisors (8038779).

8218245 is a wasteful number, since it uses less digits than its factorization.

8218245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its digits is 5120, while the sum is 30.

The square root of 8218245 is about 2866.7481577565. The cubic root of 8218245 is about 201.8024160198.

The spelling of 8218245 in words is "eight million, two hundred eighteen thousand, two hundred forty-five".