2243506243 has 8 divisors (see below), whose sum is σ = 2452492800. Its totient is φ = 2035358280.

The previous prime is 2243506231. The next prime is 2243506249. The reversal of 2243506243 is 3426053422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243506243 - 2²¹ = 2241409091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243506249) 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 7 ways as a sum of consecutive naturals, for example, 204043 + ... + 214756.

It is an arithmetic number, because the mean of its divisors is an integer number (306561600).

Almost surely, 2^2243506243 is an apocalyptic number.

2243506243 is a deficient number, since it is larger than the sum of its proper divisors (208986557).

2243506243 is a wasteful number, since it uses less digits than its factorization.

2243506243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419297.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2243506243 is about 47365.6652333734. The cubic root of 2243506243 is about 1309.1088558837.

Adding to 2243506243 its reverse (3426053422), we get a palindrome (5669559665).

The spelling of 2243506243 in words is "two billion, two hundred forty-three million, five hundred six thousand, two hundred forty-three".