2219109 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 1365056.

The previous prime is 2219093. The next prime is 2219111. The reversal of 2219109 is 9019122.

2219109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2219109 - 2⁴ = 2219093 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219209) by changing a digit.

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, 1447 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^2219109 is an apocalyptic number.

2219109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2219109 is a deficient number, since it is larger than the sum of its proper divisors (977691).

2219109 is a wasteful number, since it uses less digits than its factorization.

2219109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2219109 is about 1489.6674125455. The cubic root of 2219109 is about 130.4346202945.

The spelling of 2219109 in words is "two million, two hundred nineteen thousand, one hundred nine".