500221712 has 10 divisors (see below), whose sum is σ = 969179598. Its totient is φ = 250110848.

The previous prime is 500221699. The next prime is 500221717. The reversal of 500221712 is 217122005.

It can be written as a sum of positive squares in only one way, i.e., 356605456 + 143616256 = 18884^2 + 11984^2 .

It is a super-2 number, since 2×500221712² = 500443522312421888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (500221717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15631913 + ... + 15631944.

Almost surely, 2^500221712 is an apocalyptic number.

It is an amenable number.

500221712 is a deficient number, since it is larger than the sum of its proper divisors (468957886).

500221712 is a wasteful number, since it uses less digits than its factorization.

500221712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263865 (or 31263859 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 500221712 is about 22365.6368565708. The cubic root of 500221712 is about 793.8178239356.

Adding to 500221712 its reverse (217122005), we get a palindrome (717343717).

The spelling of 500221712 in words is "five hundred million, two hundred twenty-one thousand, seven hundred twelve".