504221044 has 6 divisors (see below), whose sum is σ = 882386834. Its totient is φ = 252110520.

The previous prime is 504221041. The next prime is 504221051. The reversal of 504221044 is 440122405.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 432140944 + 72080100 = 20788^2 + 8490^2 .

It is a super-2 number, since 2×504221044² = 508477722424899872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63027627 + ... + 63027634.

Almost surely, 2^504221044 is an apocalyptic number.

It is an amenable number.

504221044 is a deficient number, since it is larger than the sum of its proper divisors (378165790).

504221044 is a wasteful number, since it uses less digits than its factorization.

504221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126055265 (or 126055263 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 504221044 is about 22454.8668221390. The cubic root of 504221044 is about 795.9277667339.

Adding to 504221044 its reverse (440122405), we get a palindrome (944343449).

The spelling of 504221044 in words is "five hundred four million, two hundred twenty-one thousand, forty-four".