117222216 has 64 divisors (see below), whose sum is σ = 304188480. Its totient is φ = 37612800.

The previous prime is 117222199. The next prime is 117222221. The reversal of 117222216 is 612222711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89035 + ... + 90341.

It is an arithmetic number, because the mean of its divisors is an integer number (4752945).

Almost surely, 2^117222216 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 117222216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152094240).

117222216 is an abundant number, since it is smaller than the sum of its proper divisors (186966264).

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

117222216 is a wasteful number, since it uses less digits than its factorization.

117222216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1450 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 117222216 is about 10826.9208919249. The cubic root of 117222216 is about 489.4067734133.

Adding to 117222216 its reverse (612222711), we get a palindrome (729444927).

It can be divided in two parts, 11 and 7222216, that added together give a palindrome (7222227).

The spelling of 117222216 in words is "one hundred seventeen million, two hundred twenty-two thousand, two hundred sixteen".