512262216 has 24 divisors (see below), whose sum is σ = 1387377030. Its totient is φ = 170754048.

The previous prime is 512262209. The next prime is 512262217. The reversal of 512262216 is 612262215.

512262216 is a `hidden beast` number, since 5 + 1 + 22 + 622 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 418366116 + 93896100 = 20454^2 + 9690^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 512262216.

It is not an unprimeable number, because it can be changed into a prime (512262217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3557305 + ... + 3557448.

Almost surely, 2^512262216 is an apocalyptic number.

It is an amenable number.

512262216 is an abundant number, since it is smaller than the sum of its proper divisors (875114814).

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

512262216 is a wasteful number, since it uses less digits than its factorization.

512262216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114765 (or 7114758 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 512262216 is about 22633.2104660386. The cubic root of 512262216 is about 800.1365475255.

Subtracting 512262216 from its reverse (612262215), we obtain a palindrome (99999999).

The spelling of 512262216 in words is "five hundred twelve million, two hundred sixty-two thousand, two hundred sixteen".