2238012947 has 2 divisors, whose sum is σ = 2238012948. Its totient is φ = 2238012946.

The previous prime is 2238012941. The next prime is 2238012971. The reversal of 2238012947 is 7492108322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238012947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2238012947.

It is not a weakly prime, because it can be changed into another prime (2238012941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119006473 + 1119006474.

It is an arithmetic number, because the mean of its divisors is an integer number (1119006474).

Almost surely, 2^2238012947 is an apocalyptic number.

2238012947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238012947 is an equidigital number, since it uses as much as digits as its factorization.

2238012947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2238012947 is about 47307.6415286156. The cubic root of 2238012947 is about 1308.0395178249.

The spelling of 2238012947 in words is "two billion, two hundred thirty-eight million, twelve thousand, nine hundred forty-seven".