9798822 has 48 divisors (see below), whose sum is σ = 23409360. Its totient is φ = 2962080.

The previous prime is 9798793. The next prime is 9798823. The reversal of 9798822 is 2288979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9798823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23754 + ... + 24162.

It is an arithmetic number, because the mean of its divisors is an integer number (487695).

Almost surely, 2^9798822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9798822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11704680).

9798822 is an abundant number, since it is smaller than the sum of its proper divisors (13610538).

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

9798822 is a wasteful number, since it uses less digits than its factorization.

9798822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 425 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 9798822 is about 3130.3070136969. The cubic root of 9798822 is about 213.9889213119.

It can be divided in two parts, 979 and 8822, that added together give a square (9801 = 99²).

The spelling of 9798822 in words is "nine million, seven hundred ninety-eight thousand, eight hundred twenty-two".