8415223 has 4 divisors (see below), whose sum is σ = 8489808. Its totient is φ = 8340640.

The previous prime is 8415193. The next prime is 8415241. The reversal of 8415223 is 3225148.

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 8415223 - 2²¹ = 6318071 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4⁷ + 1 + 5⁵ + 2⁵ + 2²³ + 3⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8415293) 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 in 3 ways as a sum of consecutive naturals, for example, 37123 + ... + 37348.

It is an arithmetic number, because the mean of its divisors is an integer number (2122452).

Almost surely, 2^8415223 is an apocalyptic number.

8415223 is a deficient number, since it is larger than the sum of its proper divisors (74585).

8415223 is a wasteful number, since it uses less digits than its factorization.

8415223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74584.

The product of its digits is 1920, while the sum is 25.

The square root of 8415223 is about 2900.9003774690. The cubic root of 8415223 is about 203.4019956831.

The spelling of 8415223 in words is "eight million, four hundred fifteen thousand, two hundred twenty-three".