8320224 has 48 divisors (see below), whose sum is σ = 23829120. Its totient is φ = 2520960.

The previous prime is 8320219. The next prime is 8320229. The reversal of 8320224 is 4220238.

It is an interprime number because it is at equal distance from previous prime (8320219) and next prime (8320229).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8320224² = 138452254820352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8320224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (496440).

Almost surely, 2^8320224 is an apocalyptic number.

It is an amenable number.

8320224 is an abundant number, since it is smaller than the sum of its proper divisors (15508896).

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

8320224 is a wasteful number, since it uses less digits than its factorization.

8320224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8320224 is about 2884.4798491236. The cubic root of 8320224 is about 202.6336992390.

The spelling of 8320224 in words is "eight million, three hundred twenty thousand, two hundred twenty-four".