2243212265 has 16 divisors (see below), whose sum is σ = 3084805632. Its totient is φ = 1534002624.

The previous prime is 2243212259. The next prime is 2243212267. The reversal of 2243212265 is 5622123422.

It is not a de Polignac number, because 2243212265 - 2¹⁴ = 2243195881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243212267) 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 15 ways as a sum of consecutive naturals, for example, 74474 + ... + 100163.

It is an arithmetic number, because the mean of its divisors is an integer number (192800352).

Almost surely, 2^2243212265 is an apocalyptic number.

It is an amenable number.

2243212265 is a deficient number, since it is larger than the sum of its proper divisors (841593367).

2243212265 is a wasteful number, since it uses less digits than its factorization.

2243212265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175016.

The product of its digits is 11520, while the sum is 29.

The square root of 2243212265 is about 47362.5618500520. The cubic root of 2243212265 is about 1309.0516736620.

Adding to 2243212265 its reverse (5622123422), we get a palindrome (7865335687).

The spelling of 2243212265 in words is "two billion, two hundred forty-three million, two hundred twelve thousand, two hundred sixty-five".