2642216 has 16 divisors (see below), whose sum is σ = 5215200. Its totient is φ = 1251504.

The previous prime is 2642203. The next prime is 2642231. The reversal of 2642216 is 6122462.

It is a junction number, because it is equal to n+sod(n) for n = 2642191 and 2642200.

It is an unprimeable number.

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, 8540 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (325950).

2^2642216 is an apocalyptic number.

It is an amenable number.

2642216 is a deficient number, since it is larger than the sum of its proper divisors (2572984).

2642216 is a wasteful number, since it uses less digits than its factorization.

2642216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408 (or 17404 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2642216 is about 1625.4894647459. The cubic root of 2642216 is about 138.2471242345.

Adding to 2642216 its reverse (6122462), we get a palindrome (8764678).

The spelling of 2642216 in words is "two million, six hundred forty-two thousand, two hundred sixteen".