Check length on a integer variable

I have a declared
int IntLength=1234;how can i check the length on this, how many letters there are?
you can use .length on string variables, but cant find out how do make it work on a integer.
sincerely h

as the previous poster said... maybe something like...
int i = 1234;
String s = ""+i;
System.out.println( "length = " + s.length() );or the illegible version
System.out.println( "length = " + ((""+1234).length()) );

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