822808228 has 48 divisors (see below), whose sum is σ = 1677146688. Its totient is φ = 351964800.

The previous prime is 822808121. The next prime is 822808267.

822808228 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85963 + ... + 95053.

It is an arithmetic number, because the mean of its divisors is an integer number (34940556).

Almost surely, 2^822808228 is an apocalyptic number.

It is an amenable number.

822808228 is an abundant number, since it is smaller than the sum of its proper divisors (854338460).

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

822808228 is a wasteful number, since it uses less digits than its factorization.

822808228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9121 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 822808228 is about 28684.6340049860. The cubic root of 822808228 is about 937.0574301707.

The spelling of 822808228 in words is "eight hundred twenty-two million, eight hundred eight thousand, two hundred twenty-eight".