2245333309 has 4 divisors (see below), whose sum is σ = 2245669216. Its totient is φ = 2244997404.

The previous prime is 2245333297. The next prime is 2245333331. The reversal of 2245333309 is 9033335422.

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 2245333309 - 2²³ = 2236944701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245333109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157719 + ... + 171364.

It is an arithmetic number, because the mean of its divisors is an integer number (561417304).

Almost surely, 2^2245333309 is an apocalyptic number.

It is an amenable number.

2245333309 is a deficient number, since it is larger than the sum of its proper divisors (335907).

2245333309 is an equidigital number, since it uses as much as digits as its factorization.

2245333309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335906.

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 2245333309 is about 47384.9481270160. The cubic root of 2245333309 is about 1309.4641300290.

The spelling of 2245333309 in words is "two billion, two hundred forty-five million, three hundred thirty-three thousand, three hundred nine".