822963378 has 16 divisors (see below), whose sum is σ = 1732554720. Its totient is φ = 259883136.

The previous prime is 822963367. The next prime is 822963403. The reversal of 822963378 is 873369228.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609375 + ... + 3609602.

It is an arithmetic number, because the mean of its divisors is an integer number (108284670).

Almost surely, 2^822963378 is an apocalyptic number.

822963378 is an abundant number, since it is smaller than the sum of its proper divisors (909591342).

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

822963378 is a wasteful number, since it uses less digits than its factorization.

822963378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219001.

The product of its digits is 870912, while the sum is 48.

The square root of 822963378 is about 28687.3382871259. The cubic root of 822963378 is about 937.1163241382.

The spelling of 822963378 in words is "eight hundred twenty-two million, nine hundred sixty-three thousand, three hundred seventy-eight".