117226836 has 72 divisors (see below), whose sum is σ = 306808320. Its totient is φ = 37717056.

The previous prime is 117226817. The next prime is 117226843. The reversal of 117226836 is 638622711.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (24192) is a multiple of the sum of its prime divisors (1008).

It is a self number, because there is not a number n which added to its sum of digits gives 117226836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133230 + ... + 134106.

Almost surely, 2^117226836 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 117226836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153404160).

117226836 is an abundant number, since it is smaller than the sum of its proper divisors (189581484).

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

117226836 is a wasteful number, since it uses less digits than its factorization.

117226836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 117226836 is about 10827.1342468818. The cubic root of 117226836 is about 489.4132028817.

The spelling of 117226836 in words is "one hundred seventeen million, two hundred twenty-six thousand, eight hundred thirty-six".