8205224 has 8 divisors (see below), whose sum is σ = 15384810. Its totient is φ = 4102608.

The previous prime is 8205221. The next prime is 8205233. The reversal of 8205224 is 4225028.

It can be written as a sum of positive squares in only one way, i.e., 6160324 + 2044900 = 2482^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 8205224.

It is not an unprimeable number, because it can be changed into a prime (8205221) by changing a digit.

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 as a sum of consecutive naturals, namely, 512819 + ... + 512834.

Almost surely, 2^8205224 is an apocalyptic number.

It is an amenable number.

8205224 is a deficient number, since it is larger than the sum of its proper divisors (7179586).

8205224 is a wasteful number, since it uses less digits than its factorization.

8205224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025659 (or 1025655 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 8205224 is about 2864.4762173912. The cubic root of 8205224 is about 201.6957809965.

The spelling of 8205224 in words is "eight million, two hundred five thousand, two hundred twenty-four".