500612220 has 72 divisors (see below), whose sum is σ = 1559585664. Its totient is φ = 129886848.

The previous prime is 500612219. The next prime is 500612237. The reversal of 500612220 is 22216005.

500612220 is a `hidden beast` number, since 50 + 0 + 612 + 2 + 2 + 0 = 666.

It is a super-2 number, since 2×500612220² = 501225189626656800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 500612193 and 500612202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30924 + ... + 44243.

It is an arithmetic number, because the mean of its divisors is an integer number (21660912).

Almost surely, 2^500612220 is an apocalyptic number.

It is an amenable number.

500612220 is an abundant number, since it is smaller than the sum of its proper divisors (1058973444).

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

500612220 is a wasteful number, since it uses less digits than its factorization.

500612220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75219 (or 75214 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 500612220 is about 22374.3652423929. The cubic root of 500612220 is about 794.0243400804.

Adding to 500612220 its reverse (22216005), we get a palindrome (522828225).

The spelling of 500612220 in words is "five hundred million, six hundred twelve thousand, two hundred twenty".