117172224 has 192 divisors, whose sum is σ = 376084800. Its totient is φ = 35831808.

The previous prime is 117172199. The next prime is 117172243. The reversal of 117172224 is 422271711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 718767 + ... + 718929.

It is an arithmetic number, because the mean of its divisors is an integer number (1958775).

Almost surely, 2^117172224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117172224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188042400).

117172224 is an abundant number, since it is smaller than the sum of its proper divisors (258912576).

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

117172224 is a wasteful number, since it uses less digits than its factorization.

117172224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 181 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 117172224 is about 10824.6119560934. The cubic root of 117172224 is about 489.3371907490.

The spelling of 117172224 in words is "one hundred seventeen million, one hundred seventy-two thousand, two hundred twenty-four".