2210609 has 4 divisors (see below), whose sum is σ = 2213616. Its totient is φ = 2207604.

The previous prime is 2210591. The next prime is 2210617. The reversal of 2210609 is 9060122.

2210609 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2210609 - 2⁸ = 2210353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210009) 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 3 ways as a sum of consecutive naturals, for example, 422 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (553404).

2^2210609 is an apocalyptic number.

It is an amenable number.

2210609 is a deficient number, since it is larger than the sum of its proper divisors (3007).

2210609 is a wasteful number, since it uses less digits than its factorization.

2210609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2210609 is about 1486.8116894886. The cubic root of 2210609 is about 130.2678697562.

The spelling of 2210609 in words is "two million, two hundred ten thousand, six hundred nine".