2243315215 has 4 divisors (see below), whose sum is σ = 2691978264. Its totient is φ = 1794652168.

The previous prime is 2243315209. The next prime is 2243315227. The reversal of 2243315215 is 5125133422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243315215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224331517 + ... + 224331526.

It is an arithmetic number, because the mean of its divisors is an integer number (672994566).

Almost surely, 2^2243315215 is an apocalyptic number.

2243315215 is a deficient number, since it is larger than the sum of its proper divisors (448663049).

2243315215 is an equidigital number, since it uses as much as digits as its factorization.

2243315215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448663048.

The product of its digits is 7200, while the sum is 28.

The square root of 2243315215 is about 47363.6486664615. The cubic root of 2243315215 is about 1309.0716992313.

Adding to 2243315215 its reverse (5125133422), we get a palindrome (7368448637).

The spelling of 2243315215 in words is "two billion, two hundred forty-three million, three hundred fifteen thousand, two hundred fifteen".