500221434 has 32 divisors (see below), whose sum is σ = 1054730880. Its totient is φ = 157842432.

The previous prime is 500221429. The next prime is 500221439. The reversal of 500221434 is 434122005.

It is an interprime number because it is at equal distance from previous prime (500221429) and next prime (500221439).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 500221434.

It is not an unprimeable number, because it can be changed into a prime (500221439) by changing a digit.

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, 5299 + ... + 32070.

It is an arithmetic number, because the mean of its divisors is an integer number (32960340).

Almost surely, 2^500221434 is an apocalyptic number.

500221434 is an abundant number, since it is smaller than the sum of its proper divisors (554509446).

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

500221434 is a wasteful number, since it uses less digits than its factorization.

500221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 500221434 is about 22365.6306416788. The cubic root of 500221434 is about 793.8176768799.

Adding to 500221434 its reverse (434122005), we get a palindrome (934343439).

The spelling of 500221434 in words is "five hundred million, two hundred twenty-one thousand, four hundred thirty-four".