2243718736 has 20 divisors (see below), whose sum is σ = 4968234592. Its totient is φ = 961593696.

The previous prime is 2243718691. The next prime is 2243718761. The reversal of 2243718736 is 6378173422.

It is a junction number, because it is equal to n+sod(n) for n = 2243718692 and 2243718701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10016490 + ... + 10016713.

Almost surely, 2^2243718736 is an apocalyptic number.

It is an amenable number.

2243718736 is an abundant number, since it is smaller than the sum of its proper divisors (2724515856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243718736 is a wasteful number, since it uses less digits than its factorization.

2243718736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033218 (or 20033212 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 2243718736 is about 47367.9082924294. The cubic root of 2243718736 is about 1309.1501851924.

The spelling of 2243718736 in words is "two billion, two hundred forty-three million, seven hundred eighteen thousand, seven hundred thirty-six".