822323228 has 12 divisors (see below), whose sum is σ = 1472532600. Its totient is φ = 401599632.

The previous prime is 822323219. The next prime is 822323239.

822323228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 822323194 and 822323203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390303 + ... + 2390646.

It is an arithmetic number, because the mean of its divisors is an integer number (122711050).

Almost surely, 2^822323228 is an apocalyptic number.

It is an amenable number.

822323228 is a deficient number, since it is larger than the sum of its proper divisors (650209372).

822323228 is a wasteful number, since it uses less digits than its factorization.

822323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780996 (or 4780994 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 822323228 is about 28676.1787551968. The cubic root of 822323228 is about 936.8732794524.

The spelling of 822323228 in words is "eight hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-eight".