2216846 has 4 divisors (see below), whose sum is σ = 3325272. Its totient is φ = 1108422.

The previous prime is 2216839. The next prime is 2216857. The reversal of 2216846 is 6486122.

2216846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6486122 = 2 ⋅3243061.

It is a congruent number.

It is an unprimeable number.

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, 554210 + ... + 554213.

It is an arithmetic number, because the mean of its divisors is an integer number (831318).

2^2216846 is an apocalyptic number.

2216846 is a deficient number, since it is larger than the sum of its proper divisors (1108426).

2216846 is a wasteful number, since it uses less digits than its factorization.

2216846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108425.

The product of its digits is 4608, while the sum is 29.

The square root of 2216846 is about 1488.9076532814. The cubic root of 2216846 is about 130.3902670669.

The spelling of 2216846 in words is "two million, two hundred sixteen thousand, eight hundred forty-six".