2822216 has 16 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 1402960.

The previous prime is 2822213. The next prime is 2822233. The reversal of 2822216 is 6122282.

It is a junction number, because it is equal to n+sod(n) for n = 2822191 and 2822200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

2^2822216 is an apocalyptic number.

It is an amenable number.

2822216 is a deficient number, since it is larger than the sum of its proper divisors (2500024).

2822216 is a wasteful number, since it uses less digits than its factorization.

2822216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2822216 is about 1679.9452372027. The cubic root of 2822216 is about 141.3177616245.

Adding to 2822216 its reverse (6122282), we get a palindrome (8944498).

The spelling of 2822216 in words is "two million, eight hundred twenty-two thousand, two hundred sixteen".