The DATE-OF-INTEGER function converts a date in the Gregorian calendar from integer date form to standard date form (YYYYMMDD).
                  The type of this function is integer. 
                  
 
            
            
               General Format
 
               	  
               	 
 
               
              
            
            
               Arguments
 
               	  
                
                  	 
                  - Argument-1 is a positive integer that represents a number of days succeeding December 31, 1600, in the Gregorian calendar.
                     
                     	 
                  
  
               
 
               
              
            
            
               Returned Values
 
               	  
                
                  	 
                  - The returned value represents the ISO Standard date equivalent of the integer specified in argument-1. 
                     	 
                  
  
                  	 
                  - The returned value is in the form (YYYYMMDD) where YYYY represents a year in the Gregorian calendar; MM represents the month
                     of that year; and DD represents the day of that month.