2243240276 has 6 divisors (see below), whose sum is σ = 3925670490. Its totient is φ = 1121620136.

The previous prime is 2243240273. The next prime is 2243240323. The reversal of 2243240276 is 6720423422.

It can be written as a sum of positive squares in only one way, i.e., 1205756176 + 1037484100 = 34724^2 + 32210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243240273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280405031 + ... + 280405038.

It is an arithmetic number, because the mean of its divisors is an integer number (654278415).

Almost surely, 2^2243240276 is an apocalyptic number.

It is an amenable number.

2243240276 is a deficient number, since it is larger than the sum of its proper divisors (1682430214).

2243240276 is a wasteful number, since it uses less digits than its factorization.

2243240276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560810073 (or 560810071 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 2243240276 is about 47362.8575573730. The cubic root of 2243240276 is about 1309.0571223504.

Adding to 2243240276 its reverse (6720423422), we get a palindrome (8963663698).

The spelling of 2243240276 in words is "two billion, two hundred forty-three million, two hundred forty thousand, two hundred seventy-six".