8105223 has 32 divisors (see below), whose sum is σ = 13095936. Its totient is φ = 4359168.

The previous prime is 8105221. The next prime is 8105231. The reversal of 8105223 is 3225018.

It is not a de Polignac number, because 8105223 - 2¹ = 8105221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

8105223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8105223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46765 + ... + 46937.

It is an arithmetic number, because the mean of its divisors is an integer number (409248).

Almost surely, 2^8105223 is an apocalyptic number.

8105223 is a deficient number, since it is larger than the sum of its proper divisors (4990713).

8105223 is a wasteful number, since it uses less digits than its factorization.

8105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

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

The square root of 8105223 is about 2846.9673338484. The cubic root of 8105223 is about 200.8730417783.

The spelling of 8105223 in words is "eight million, one hundred five thousand, two hundred twenty-three".