512223066 has 12 divisors (see below), whose sum is σ = 1109816682. Its totient is φ = 170741016.

The previous prime is 512223059. The next prime is 512223067. The reversal of 512223066 is 660322215.

It can be written as a sum of positive squares in only one way, i.e., 431600625 + 80622441 = 20775^2 + 8979^2 .

It is not an unprimeable number, because it can be changed into a prime (512223067) 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, 14228401 + ... + 14228436.

Almost surely, 2^512223066 is an apocalyptic number.

512223066 is an abundant number, since it is smaller than the sum of its proper divisors (597593616).

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

512223066 is a wasteful number, since it uses less digits than its factorization.

512223066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28456845 (or 28456842 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 512223066 is about 22632.3455700022. The cubic root of 512223066 is about 800.1161633401.

The spelling of 512223066 in words is "five hundred twelve million, two hundred twenty-three thousand, sixty-six".