2236109 has 4 divisors (see below), whose sum is σ = 2239104. Its totient is φ = 2233116.

The previous prime is 2236097. The next prime is 2236111. The reversal of 2236109 is 9016322.

2236109 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 2236109 - 2¹⁶ = 2170573 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3³ + 6⁵ + 1 + 0 + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236139) 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, 644 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (559776).

2^2236109 is an apocalyptic number.

It is an amenable number.

2236109 is a deficient number, since it is larger than the sum of its proper divisors (2995).

2236109 is a wasteful number, since it uses less digits than its factorization.

2236109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

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

The square root of 2236109 is about 1495.3624978580. The cubic root of 2236109 is about 130.7668482664.

The spelling of 2236109 in words is "two million, two hundred thirty-six thousand, one hundred nine".