8224224 has 24 divisors (see below), whose sum is σ = 21588840. Its totient is φ = 2741376.

The previous prime is 8224219. The next prime is 8224259. The reversal of 8224224 is 4224228.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8224194 and 8224203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42739 + ... + 42930.

It is an arithmetic number, because the mean of its divisors is an integer number (899535).

Almost surely, 2^8224224 is an apocalyptic number.

It is an amenable number.

8224224 is an abundant number, since it is smaller than the sum of its proper divisors (13364616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8224224 is a wasteful number, since it uses less digits than its factorization.

8224224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85682 (or 85674 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 8224224 is about 2867.7907873483. The cubic root of 8224224 is about 201.8513430984.

It can be divided in two parts, 8224 and 224, that added together give a palindrome (8448).

The spelling of 8224224 in words is "eight million, two hundred twenty-four thousand, two hundred twenty-four".