822967398 has 64 divisors (see below), whose sum is σ = 2022508800. Its totient is φ = 245954880.

The previous prime is 822967391. The next prime is 822967403. The reversal of 822967398 is 893769228.

It is a happy number.

822967398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822967391) 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, 33873 + ... + 52851.

It is an arithmetic number, because the mean of its divisors is an integer number (31601700).

Almost surely, 2^822967398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822967398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011254400).

822967398 is an abundant number, since it is smaller than the sum of its proper divisors (1199541402).

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

822967398 is a wasteful number, since it uses less digits than its factorization.

822967398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19074 (or 19068 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 822967398 is about 28687.4083527948. The cubic root of 822967398 is about 937.1178500066.

The spelling of 822967398 in words is "eight hundred twenty-two million, nine hundred sixty-seven thousand, three hundred ninety-eight".