2204240243 has 4 divisors (see below), whose sum is σ = 2255501688. Its totient is φ = 2152978800.

The previous prime is 2204240219. The next prime is 2204240299. The reversal of 2204240243 is 3420424022.

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-2204240243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204240743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25630658 + ... + 25630743.

It is an arithmetic number, because the mean of its divisors is an integer number (563875422).

Almost surely, 2^2204240243 is an apocalyptic number.

2204240243 is a deficient number, since it is larger than the sum of its proper divisors (51261445).

2204240243 is an equidigital number, since it uses as much as digits as its factorization.

2204240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51261444.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2204240243 is about 46949.3369814740. The cubic root of 2204240243 is about 1301.4264899586.

Adding to 2204240243 its reverse (3420424022), we get a palindrome (5624664265).

The spelling of 2204240243 in words is "two billion, two hundred four million, two hundred forty thousand, two hundred forty-three".