2216930 has 16 divisors (see below), whose sum is σ = 4040064. Its totient is φ = 875760.

The previous prime is 2216917. The next prime is 2216941. The reversal of 2216930 is 396122.

2216930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2216896 and 2216905.

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 7 ways as a sum of consecutive naturals, for example, 506 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (252504).

2^2216930 is an apocalyptic number.

2216930 is a deficient number, since it is larger than the sum of its proper divisors (1823134).

2216930 is a wasteful number, since it uses less digits than its factorization.

2216930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2216930 is about 1488.9358616139. The cubic root of 2216930 is about 130.3919139478.

The spelling of 2216930 in words is "two million, two hundred sixteen thousand, nine hundred thirty".