2816224 has 12 divisors (see below), whose sum is σ = 5544504. Its totient is φ = 1408096.

The previous prime is 2816221. The next prime is 2816239. The reversal of 2816224 is 4226182.

It is a happy number.

2816224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2816224² = 15862235236352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43972 + ... + 44035.

It is an arithmetic number, because the mean of its divisors is an integer number (462042).

2^2816224 is an apocalyptic number.

It is an amenable number.

2816224 is a deficient number, since it is larger than the sum of its proper divisors (2728280).

2816224 is an equidigital number, since it uses as much as digits as its factorization.

2816224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88017 (or 88009 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2816224 is about 1678.1608981263. The cubic root of 2816224 is about 141.2176776226.

The spelling of 2816224 in words is "two million, eight hundred sixteen thousand, two hundred twenty-four".