504222004 has 72 divisors (see below), whose sum is σ = 1054398464. Its totient is φ = 209563200.

The previous prime is 504221987. The next prime is 504222007. The reversal of 504222004 is 400222405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504222007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798769 + ... + 799399.

Almost surely, 2^504222004 is an apocalyptic number.

It is an amenable number.

504222004 is an abundant number, since it is smaller than the sum of its proper divisors (550176460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504222004 is a wasteful number, since it uses less digits than its factorization.

504222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 504222004 is about 22454.8881983411. Note that the first 3 decimals coincide. The cubic root of 504222004 is about 795.9282718630.

Adding to 504222004 its reverse (400222405), we get a palindrome (904444409).

The spelling of 504222004 in words is "five hundred four million, two hundred twenty-two thousand, four".