805503228 has 12 divisors (see below), whose sum is σ = 1879507560. Its totient is φ = 268501072.

The previous prime is 805503221. The next prime is 805503269. The reversal of 805503228 is 822305508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805503221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33562623 + ... + 33562646.

It is an arithmetic number, because the mean of its divisors is an integer number (156625630).

Almost surely, 2^805503228 is an apocalyptic number.

It is an amenable number.

805503228 is an abundant number, since it is smaller than the sum of its proper divisors (1074004332).

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

805503228 is a wasteful number, since it uses less digits than its factorization.

805503228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67125276 (or 67125274 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 805503228 is about 28381.3887609468. The cubic root of 805503228 is about 930.4415477563.

The spelling of 805503228 in words is "eight hundred five million, five hundred three thousand, two hundred twenty-eight".