822019383240 has 128 divisors (see below), whose sum is σ = 2690647787520. Its totient is φ = 199247609600.

The previous prime is 822019383151. The next prime is 822019383299. The reversal of 822019383240 is 42383910228.

It is a junction number, because it is equal to n+sod(n) for n = 822019383192 and 822019383201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9523075 + ... + 9609005.

It is an arithmetic number, because the mean of its divisors is an integer number (21020685840).

Almost surely, 2^822019383240 is an apocalyptic number.

It is an amenable number.

822019383240 is an abundant number, since it is smaller than the sum of its proper divisors (1868628404280).

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

822019383240 is a wasteful number, since it uses less digits than its factorization.

822019383240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93203 (or 93199 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 822019383240 in words is "eight hundred twenty-two billion, nineteen million, three hundred eighty-three thousand, two hundred forty".