516342224 has 20 divisors (see below), whose sum is σ = 1059261444. Its totient is φ = 242984448.

The previous prime is 516342191. The next prime is 516342227. The reversal of 516342224 is 422243615.

It can be written as a sum of positive squares in 2 ways, for example, as 250652224 + 265690000 = 15832^2 + 16300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516342227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948887 + ... + 949430.

Almost surely, 2^516342224 is an apocalyptic number.

It is an amenable number.

516342224 is an abundant number, since it is smaller than the sum of its proper divisors (542919220).

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

516342224 is a wasteful number, since it uses less digits than its factorization.

516342224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898342 (or 1898336 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 516342224 is about 22723.1649204067. The cubic root of 516342224 is about 802.2552115521.

Adding to 516342224 its reverse (422243615), we get a palindrome (938585839).

The spelling of 516342224 in words is "five hundred sixteen million, three hundred forty-two thousand, two hundred twenty-four".