#include <iostream>
#include <cstdint>
#include <sstream>

int main()
{
    int i = 1234567 ;
    const int* p = &i ;

    std::string address ;
    {
        std::ostringstream ostm ;
        ostm << reinterpret_cast<std::uintptr_t>(p) ;
        address = ostm.str() ;
    }

    std::uintptr_t n ;
    {
        std::istringstream istm(address) ;
        istm >> n ;
    }

    const int* q = reinterpret_cast<const int*>(n) ;

    std::cout << "the int at address " << p << " is " << *p << '\n'
              << "the int at address " << q << " is " << *q << '\n' ;
}