2243788264 has 8 divisors (see below), whose sum is σ = 4207103010. Its totient is φ = 1121894128.

The previous prime is 2243788243. The next prime is 2243788273. The reversal of 2243788264 is 4628873422.

It can be written as a sum of positive squares in only one way, i.e., 2129084164 + 114704100 = 46142^2 + 10710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140236759 + ... + 140236774.

Almost surely, 2^2243788264 is an apocalyptic number.

It is an amenable number.

2243788264 is a deficient number, since it is larger than the sum of its proper divisors (1963314746).

2243788264 is a wasteful number, since it uses less digits than its factorization.

2243788264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280473539 (or 280473535 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 2243788264 is about 47368.6422013551. The cubic root of 2243788264 is about 1309.1637076321.

The spelling of 2243788264 in words is "two billion, two hundred forty-three million, seven hundred eighty-eight thousand, two hundred sixty-four".