512628228 has 36 divisors (see below), whose sum is σ = 1480926720. Its totient is φ = 146465136.

The previous prime is 512628203. The next prime is 512628253. The reversal of 512628228 is 822826215.

512628228 is a `hidden beast` number, since 5 + 1 + 2 + 628 + 2 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (512628203) and next prime (512628253).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 512628192 and 512628201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016868 + ... + 1017371.

Almost surely, 2^512628228 is an apocalyptic number.

It is an amenable number.

512628228 is an abundant number, since it is smaller than the sum of its proper divisors (968298492).

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

512628228 is a wasteful number, since it uses less digits than its factorization.

512628228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034256 (or 2034251 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 512628228 is about 22641.2947509633. The cubic root of 512628228 is about 800.3270683480.

The spelling of 512628228 in words is "five hundred twelve million, six hundred twenty-eight thousand, two hundred twenty-eight".