822810228 has 24 divisors (see below), whose sum is σ = 1927197888. Its totient is φ = 273226176.

The previous prime is 822810223. The next prime is 822810259. The reversal of 822810228 is 822018228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822810223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127201 + ... + 133512.

It is an arithmetic number, because the mean of its divisors is an integer number (80299912).

Almost surely, 2^822810228 is an apocalyptic number.

It is an amenable number.

822810228 is an abundant number, since it is smaller than the sum of its proper divisors (1104387660).

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

822810228 is a wasteful number, since it uses less digits than its factorization.

822810228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260983 (or 260981 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 822810228 is about 28684.6688668355. The cubic root of 822810228 is about 937.0581894052.

The spelling of 822810228 in words is "eight hundred twenty-two million, eight hundred ten thousand, two hundred twenty-eight".