2244209 has 4 divisors (see below), whose sum is σ = 2448240. Its totient is φ = 2040180.

The previous prime is 2244199. The next prime is 2244211. The reversal of 2244209 is 9024422.

2244209 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.

It is a cyclic number.

It is not a de Polignac number, because 2244209 - 2¹² = 2240113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244259) 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, 101999 + ... + 102020.

It is an arithmetic number, because the mean of its divisors is an integer number (612060).

2^2244209 is an apocalyptic number.

It is an amenable number.

2244209 is a deficient number, since it is larger than the sum of its proper divisors (204031).

2244209 is a wasteful number, since it uses less digits than its factorization.

2244209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204030.

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

The square root of 2244209 is about 1498.0684230034. The cubic root of 2244209 is about 130.9245530248.

It can be divided in two parts, 2244 and 209, that multiplied together give a triangular number (468996 = T₉₆₈).

The spelling of 2244209 in words is "two million, two hundred forty-four thousand, two hundred nine".