822286899720 has 1280 divisors, whose sum is σ = 3536828064000. Its totient is φ = 168260198400.

The previous prime is 822286899689. The next prime is 822286899757. The reversal of 822286899720 is 27998682228.

822286899720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×822286899720² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 255287710 + ... + 255290930.

It is an arithmetic number, because the mean of its divisors is an integer number (2763146925).

Almost surely, 2^822286899720 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 822286899720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768414032000).

822286899720 is an abundant number, since it is smaller than the sum of its proper divisors (2714541164280).

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

822286899720 is a wasteful number, since it uses less digits than its factorization.

822286899720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 822286899720 in words is "eight hundred twenty-two billion, two hundred eighty-six million, eight hundred ninety-nine thousand, seven hundred twenty".