8205223 has 4 divisors (see below), whose sum is σ = 8836408. Its totient is φ = 7574040.

The previous prime is 8205221. The next prime is 8205233. The reversal of 8205223 is 3225028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8205223 - 2¹ = 8205221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8205194 and 8205203.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315573 + ... + 315598.

It is an arithmetic number, because the mean of its divisors is an integer number (2209102).

Almost surely, 2^8205223 is an apocalyptic number.

8205223 is a deficient number, since it is larger than the sum of its proper divisors (631185).

8205223 is a wasteful number, since it uses less digits than its factorization.

8205223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631184.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 8205223 is about 2864.4760428392. The cubic root of 8205223 is about 201.6957728027.

The spelling of 8205223 in words is "eight million, two hundred five thousand, two hundred twenty-three".