822984880 has 40 divisors (see below), whose sum is σ = 1931014800. Its totient is φ = 326170368.

The previous prime is 822984871. The next prime is 822984913. The reversal of 822984880 is 88489228.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×822984880² = 1354608225417228800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38470 + ... + 55909.

It is an arithmetic number, because the mean of its divisors is an integer number (48275370).

Almost surely, 2^822984880 is an apocalyptic number.

822984880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822984880 is an abundant number, since it is smaller than the sum of its proper divisors (1108029920).

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

822984880 is a wasteful number, since it uses less digits than its factorization.

822984880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94501 (or 94495 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 822984880 is about 28687.7130493178. The cubic root of 822984880 is about 937.1244855786.

It can be divided in two parts, 82298 and 4880, that added together give a palindrome (87178).

The spelling of 822984880 in words is "eight hundred twenty-two million, nine hundred eighty-four thousand, eight hundred eighty".