2244558643 has 2 divisors, whose sum is σ = 2244558644. Its totient is φ = 2244558642.

The previous prime is 2244558607. The next prime is 2244558697. The reversal of 2244558643 is 3468554422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244558643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2244558643.

It is not a weakly prime, because it can be changed into another prime (2244550643) 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 as a sum of consecutive naturals, namely, 1122279321 + 1122279322.

It is an arithmetic number, because the mean of its divisors is an integer number (1122279322).

Almost surely, 2^2244558643 is an apocalyptic number.

2244558643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244558643 is an equidigital number, since it uses as much as digits as its factorization.

2244558643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921600, while the sum is 43.

The square root of 2244558643 is about 47376.7732438586. The cubic root of 2244558643 is about 1309.3135192759.

The spelling of 2244558643 in words is "two billion, two hundred forty-four million, five hundred fifty-eight thousand, six hundred forty-three".