822793842 has 64 divisors (see below), whose sum is σ = 1975585920. Its totient is φ = 252331200.

The previous prime is 822793837. The next prime is 822793849. The reversal of 822793842 is 248397228.

It is not an unprimeable number, because it can be changed into a prime (822793849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230592 + ... + 234132.

It is an arithmetic number, because the mean of its divisors is an integer number (30868530).

Almost surely, 2^822793842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822793842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987792960).

822793842 is an abundant number, since it is smaller than the sum of its proper divisors (1152792078).

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

822793842 is a wasteful number, since it uses less digits than its factorization.

822793842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896 (or 3890 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 822793842 is about 28684.3832424544. The cubic root of 822793842 is about 937.0519689602.

The spelling of 822793842 in words is "eight hundred twenty-two million, seven hundred ninety-three thousand, eight hundred forty-two".