810228812 has 12 divisors (see below), whose sum is σ = 1456222320. Its totient is φ = 394165296.

The previous prime is 810228787. The next prime is 810228829. The reversal of 810228812 is 218822018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737112 + ... + 2737407.

It is an arithmetic number, because the mean of its divisors is an integer number (121351860).

Almost surely, 2^810228812 is an apocalyptic number.

It is an amenable number.

810228812 is a deficient number, since it is larger than the sum of its proper divisors (645993508).

810228812 is a wasteful number, since it uses less digits than its factorization.

810228812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474560 (or 5474558 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 810228812 is about 28464.5184747608. The cubic root of 810228812 is about 932.2575178539.

The spelling of 810228812 in words is "eight hundred ten million, two hundred twenty-eight thousand, eight hundred twelve".