113224 has 8 divisors (see below), whose sum is σ = 212310. Its totient is φ = 56608.
The previous prime is 113213. The next prime is 113227. The reversal of 113224 is 422311.
It can be written as a sum of positive squares in only one way, i.e., 101124 + 12100 = 318^2 + 110^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (113227) by changing a digit.
113224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069 + ... + 7084.
2113224 is an apocalyptic number.
It is an amenable number.
113224 is a deficient number, since it is larger than the sum of its proper divisors (99086).
113224 is a wasteful number, since it uses less digits than its factorization.
113224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14159 (or 14155 counting only the distinct ones).
The product of its digits is 48, while the sum is 13.
The square root of 113224 is about 336.4877412329. The cubic root of 113224 is about 48.3778055470.
Adding to 113224 its reverse (422311), we get a palindrome (535535).
It can be divided in two parts, 1132 and 24, that added together give a square (1156 = 342).
The spelling of 113224 in words is "one hundred thirteen thousand, two hundred twenty-four".
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