6,400,927
six billion five hundred six million thirteen thosand four hundred twenty
56,002,400 And it is thousand, not thosand.
85,400,004
$7,200,000
One million six hundred eighty-five thosand six hundred and nine
One hundred twenty-six million, five hundred thousand
two hundred and twenty three million
Nine million, one hundred twenty thousand, seven hundred forty
To write 22,500,000 in words, you would say "twenty-two million five hundred thousand." This follows the standard naming convention for large numbers, where each group of three digits is named in terms of the power of ten it represents.
320,000,000 Is three hundred and twenty million.
520,000,000 or five hundred twenty million.