2243109 has 16 divisors (see below), whose sum is σ = 3299904. Its totient is φ = 1344000.

The previous prime is 2243107. The next prime is 2243123. The reversal of 2243109 is 9013422.

It is not a de Polignac number, because 2243109 - 2¹ = 2243107 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (206244).

2^2243109 is an apocalyptic number.

It is an amenable number.

2243109 is a deficient number, since it is larger than the sum of its proper divisors (1056795).

2243109 is a wasteful number, since it uses less digits than its factorization.

2243109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2243109 is about 1497.7012385653. The cubic root of 2243109 is about 130.9031586204.

It can be divided in two parts, 224 and 3109, that added together give a palindrome (3333).

The spelling of 2243109 in words is "two million, two hundred forty-three thousand, one hundred nine".