2217843041 has 2 divisors, whose sum is σ = 2217843042. Its totient is φ = 2217843040.

The previous prime is 2217843029. The next prime is 2217843049. The reversal of 2217843041 is 1403487122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147244641 + 1070598400 = 33871^2 + 32720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2217843041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2217842989 and 2217843007.

It is not a weakly prime, because it can be changed into another prime (2217843049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108921520 + 1108921521.

It is an arithmetic number, because the mean of its divisors is an integer number (1108921521).

Almost surely, 2^2217843041 is an apocalyptic number.

It is an amenable number.

2217843041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217843041 is an equidigital number, since it uses as much as digits as its factorization.

2217843041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2217843041 is about 47093.9809423667. The cubic root of 2217843041 is about 1304.0981209570.

The spelling of 2217843041 in words is "two billion, two hundred seventeen million, eight hundred forty-three thousand, forty-one".