8213536223 has 16 divisors (see below), whose sum is σ = 8551495680. Its totient is φ = 7879376736.

The previous prime is 8213536217. The next prime is 8213536237. The reversal of 8213536223 is 3226353128.

It is a cyclic number.

It is not a de Polignac number, because 8213536223 - 2¹² = 8213532127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213556223) 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, 4700636 + ... + 4702382.

It is an arithmetic number, because the mean of its divisors is an integer number (534468480).

Almost surely, 2^8213536223 is an apocalyptic number.

8213536223 is a deficient number, since it is larger than the sum of its proper divisors (337959457).

8213536223 is a wasteful number, since it uses less digits than its factorization.

8213536223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726.

The product of its digits is 51840, while the sum is 35.

The square root of 8213536223 is about 90628.5618500040. The cubic root of 8213536223 is about 2017.6386666537.

The spelling of 8213536223 in words is "eight billion, two hundred thirteen million, five hundred thirty-six thousand, two hundred twenty-three".