512520228 has 72 divisors (see below), whose sum is σ = 1416114336. Its totient is φ = 155001600.

The previous prime is 512520223. The next prime is 512520299. The reversal of 512520228 is 822025215.

It is not an unprimeable number, because it can be changed into a prime (512520221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272700 + ... + 274572.

Almost surely, 2^512520228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512520228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708057168).

512520228 is an abundant number, since it is smaller than the sum of its proper divisors (903594108).

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

512520228 is a wasteful number, since it uses less digits than its factorization.

512520228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 512520228 is about 22638.9096027172. The cubic root of 512520228 is about 800.2708603663.

The spelling of 512520228 in words is "five hundred twelve million, five hundred twenty thousand, two hundred twenty-eight".