8219223 has 6 divisors (see below), whose sum is σ = 11872224. Its totient is φ = 5479476.

The previous prime is 8219221. The next prime is 8219227. The reversal of 8219223 is 3229128.

It is a happy number.

8219223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8219223 - 2¹ = 8219221 is a prime.

8219223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456615 + ... + 456632.

It is an arithmetic number, because the mean of its divisors is an integer number (1978704).

Almost surely, 2^8219223 is an apocalyptic number.

8219223 is a deficient number, since it is larger than the sum of its proper divisors (3653001).

8219223 is a wasteful number, since it uses less digits than its factorization.

8219223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913253 (or 913250 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 8219223 is about 2866.9187292283. The cubic root of 8219223 is about 201.8104207676.

It can be divided in two parts, 82192 and 23, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 8219223 in words is "eight million, two hundred nineteen thousand, two hundred twenty-three".