822228728832 has 132 divisors (see below), whose sum is σ = 2713334625456. Its totient is φ = 234922475520.

The previous prime is 822228728809. The next prime is 822228728837. The reversal of 822228728832 is 238827822228.

It is a happy number.

822228728832 is a `hidden beast` number, since 82 + 2 + 2 + 287 + 288 + 3 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822228728837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6308169 + ... + 6437192.

Almost surely, 2^822228728832 is an apocalyptic number.

It is an amenable number.

822228728832 is an abundant number, since it is smaller than the sum of its proper divisors (1891105896624).

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

822228728832 is a wasteful number, since it uses less digits than its factorization.

822228728832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745394 (or 12745373 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 54.

The spelling of 822228728832 in words is "eight hundred twenty-two billion, two hundred twenty-eight million, seven hundred twenty-eight thousand, eight hundred thirty-two".