2243396709 has 32 divisors (see below), whose sum is σ = 3502550400. Its totient is φ = 1415232000.

The previous prime is 2243396669. The next prime is 2243396719. The reversal of 2243396709 is 9076933422.

It is a de Polignac number, because none of the positive numbers 2^k-2243396709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243396719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558709 + ... + 562709.

It is an arithmetic number, because the mean of its divisors is an integer number (109454700).

Almost surely, 2^2243396709 is an apocalyptic number.

It is an amenable number.

2243396709 is a deficient number, since it is larger than the sum of its proper divisors (1259153691).

2243396709 is a wasteful number, since it uses less digits than its factorization.

2243396709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5116 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 2243396709 is about 47364.5089597686. The cubic root of 2243396709 is about 1309.0875508003.

It can be divided in two parts, 224 and 3396709, that added together give a palindrome (3396933).

The spelling of 2243396709 in words is "two billion, two hundred forty-three million, three hundred ninety-six thousand, seven hundred nine".