1116822798 has 144 divisors (see below), whose sum is σ = 3051200880. Its totient is φ = 292626432.

The previous prime is 1116822761. The next prime is 1116822877. The reversal of 1116822798 is 8972286111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2946573 + ... + 2946951.

It is an arithmetic number, because the mean of its divisors is an integer number (21188895).

Almost surely, 2^1116822798 is an apocalyptic number.

1116822798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116822798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525600440).

1116822798 is an abundant number, since it is smaller than the sum of its proper divisors (1934378082).

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

1116822798 is a wasteful number, since it uses less digits than its factorization.

1116822798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 661 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 1116822798 is about 33418.8988148922. The cubic root of 1116822798 is about 1037.5158901713.

The spelling of 1116822798 in words is "one billion, one hundred sixteen million, eight hundred twenty-two thousand, seven hundred ninety-eight".