2243040505 has 16 divisors (see below), whose sum is σ = 2761000704. Its totient is φ = 1748315520.

The previous prime is 2243040479. The next prime is 2243040511. The reversal of 2243040505 is 5050403422.

It is not a de Polignac number, because 2243040505 - 2⁷ = 2243040377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243040505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154384 + ... + 168286.

It is an arithmetic number, because the mean of its divisors is an integer number (172562544).

Almost surely, 2^2243040505 is an apocalyptic number.

It is an amenable number.

2243040505 is a deficient number, since it is larger than the sum of its proper divisors (517960199).

2243040505 is a wasteful number, since it uses less digits than its factorization.

2243040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2243040505 is about 47360.7485688307. The cubic root of 2243040505 is about 1309.0182619845.

Adding to 2243040505 its reverse (5050403422), we get a palindrome (7293443927).

The spelling of 2243040505 in words is "two billion, two hundred forty-three million, forty thousand, five hundred five".