117972822 has 48 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 34908720.

The previous prime is 117972821. The next prime is 117972839. The reversal of 117972822 is 228279711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117972821) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29329 + ... + 33107.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2^117972822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117972822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132723360).

117972822 is an abundant number, since it is smaller than the sum of its proper divisors (147473898).

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

117972822 is a wasteful number, since it uses less digits than its factorization.

117972822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3838 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 117972822 is about 10861.5294503122. The cubic root of 117972822 is about 490.4491536208.

The spelling of 117972822 in words is "one hundred seventeen million, nine hundred seventy-two thousand, eight hundred twenty-two".