2235309 has 4 divisors (see below), whose sum is σ = 2980416. Its totient is φ = 1490204.

The previous prime is 2235307. The next prime is 2235319. The reversal of 2235309 is 9035322.

2235309 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 2235309 - 2¹ = 2235307 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235307) 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, 372549 + ... + 372554.

It is an arithmetic number, because the mean of its divisors is an integer number (745104).

2^2235309 is an apocalyptic number.

It is an amenable number.

2235309 is a deficient number, since it is larger than the sum of its proper divisors (745107).

2235309 is an equidigital number, since it uses as much as digits as its factorization.

2235309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745106.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 2235309 is about 1495.0949802605. The cubic root of 2235309 is about 130.7512518358.

The spelling of 2235309 in words is "two million, two hundred thirty-five thousand, three hundred nine".