512302216 has 32 divisors (see below), whose sum is σ = 985584600. Its totient is φ = 249500160.

The previous prime is 512302213. The next prime is 512302223. The reversal of 512302216 is 612203215.

It can be written as a sum of positive squares in 4 ways, for example, as 347076900 + 165225316 = 18630^2 + 12854^2 .

It is not an unprimeable number, because it can be changed into a prime (512302211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357790 + ... + 359218.

Almost surely, 2^512302216 is an apocalyptic number.

It is an amenable number.

512302216 is a deficient number, since it is larger than the sum of its proper divisors (473282384).

512302216 is a wasteful number, since it uses less digits than its factorization.

512302216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 512302216 is about 22634.0941060163. The cubic root of 512302216 is about 800.1573732067.

Subtracting 512302216 from its reverse (612203215), we obtain a palindrome (99900999).

The spelling of 512302216 in words is "five hundred twelve million, three hundred two thousand, two hundred sixteen".