500405224 has 64 divisors (see below), whose sum is σ = 1076820480. Its totient is φ = 215904000.

The previous prime is 500405219. The next prime is 500405239. The reversal of 500405224 is 422504005.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 500405195 and 500405204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142854 + ... + 146314.

It is an arithmetic number, because the mean of its divisors is an integer number (16825320).

Almost surely, 2^500405224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500405224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538410240).

500405224 is an abundant number, since it is smaller than the sum of its proper divisors (576415256).

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

500405224 is a wasteful number, since it uses less digits than its factorization.

500405224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 500405224 is about 22369.7390239582. The cubic root of 500405224 is about 793.9148857533.

Adding to 500405224 its reverse (422504005), we get a palindrome (922909229).

The spelling of 500405224 in words is "five hundred million, four hundred five thousand, two hundred twenty-four".