2243868365 has 16 divisors (see below), whose sum is σ = 2836701120. Its totient is φ = 1699211520.

The previous prime is 2243868349. The next prime is 2243868383. The reversal of 2243868365 is 5638683422.

It is not a de Polignac number, because 2243868365 - 2⁴ = 2243868349 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 114110 + ... + 132320.

It is an arithmetic number, because the mean of its divisors is an integer number (177293820).

Almost surely, 2^2243868365 is an apocalyptic number.

It is an amenable number.

2243868365 is a deficient number, since it is larger than the sum of its proper divisors (592832755).

2243868365 is a wasteful number, since it uses less digits than its factorization.

2243868365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532.

The product of its digits is 1658880, while the sum is 47.

The square root of 2243868365 is about 47369.4877004174. The cubic root of 2243868365 is about 1309.1792860590.

The spelling of 2243868365 in words is "two billion, two hundred forty-three million, eight hundred sixty-eight thousand, three hundred sixty-five".