2243505047 has 32 divisors (see below), whose sum is σ = 2799360000. Its totient is φ = 1754355456.

The previous prime is 2243504987. The next prime is 2243505049. The reversal of 2243505047 is 7405053422.

It is not a de Polignac number, because 2243505047 - 2²⁴ = 2226727831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243505049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772779 + ... + 2773587.

It is an arithmetic number, because the mean of its divisors is an integer number (87480000).

Almost surely, 2^2243505047 is an apocalyptic number.

2243505047 is a deficient number, since it is larger than the sum of its proper divisors (555854953).

2243505047 is a wasteful number, since it uses less digits than its factorization.

2243505047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 2243505047 is about 47365.6526081928. The cubic root of 2243505047 is about 1309.1086232576.

Adding to 2243505047 its reverse (7405053422), we get a palindrome (9648558469).

The spelling of 2243505047 in words is "two billion, two hundred forty-three million, five hundred five thousand, forty-seven".