2216426 has 32 divisors (see below), whose sum is σ = 3836160. Its totient is φ = 953856.

The previous prime is 2216413. The next prime is 2216437. The reversal of 2216426 is 6246122.

2216426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 15 ways as a sum of consecutive naturals, for example, 30326 + ... + 30398.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^2216426 is an apocalyptic number.

2216426 is a deficient number, since it is larger than the sum of its proper divisors (1619734).

2216426 is a wasteful number, since it uses less digits than its factorization.

2216426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

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

The square root of 2216426 is about 1488.7666036018. The cubic root of 2216426 is about 130.3820320382.

The spelling of 2216426 in words is "two million, two hundred sixteen thousand, four hundred twenty-six".