822116472 has 64 divisors (see below), whose sum is σ = 2168400000. Its totient is φ = 259023744.

The previous prime is 822116401. The next prime is 822116489. The reversal of 822116472 is 274611228.

It is a congruent number.

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, 225738 + ... + 229350.

It is an arithmetic number, because the mean of its divisors is an integer number (33881250).

Almost surely, 2^822116472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822116472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084200000).

822116472 is an abundant number, since it is smaller than the sum of its proper divisors (1346283528).

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

822116472 is a wasteful number, since it uses less digits than its factorization.

822116472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4136 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 822116472 is about 28672.5735154694. The cubic root of 822116472 is about 936.7947537982.

The spelling of 822116472 in words is "eight hundred twenty-two million, one hundred sixteen thousand, four hundred seventy-two".