117236224 has 60 divisors (see below), whose sum is σ = 272545614. Its totient is φ = 50233344.

The previous prime is 117236219. The next prime is 117236263. The reversal of 117236224 is 422632711.

It can be written as a sum of positive squares in only one way, i.e., 70560000 + 46676224 = 8400^2 + 6832^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 117236192 and 117236201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22752 + ... + 27424.

Almost surely, 2^117236224 is an apocalyptic number.

117236224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117236224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136272807).

117236224 is an abundant number, since it is smaller than the sum of its proper divisors (155309390).

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

117236224 is an frugal number, since it uses more digits than its factorization.

117236224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4682 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 117236224 is about 10827.5677785918. The cubic root of 117236224 is about 489.4262672637.

Adding to 117236224 its reverse (422632711), we get a palindrome (539868935).

The spelling of 117236224 in words is "one hundred seventeen million, two hundred thirty-six thousand, two hundred twenty-four".