30224 has 10 divisors (see below), whose sum is σ = 58590.
Its totient is φ = 15104.
The previous prime is 30223. The next prime is 30241. The reversal of 30224 is 42203.
It can be written as a sum of positive squares in only one way, i.e., 25600 + 4624 = 160^2 + 68^2
It is an Ulam number.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (30223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 929 + ... + 960.
It is an arithmetic number, because the mean of its divisors is an integer number (5859).
230224 is an apocalyptic number.
It is an amenable number.
30224 is a deficient number, since it is larger than the sum of its proper divisors (28366).
30224 is a wasteful number, since it uses less digits than its factorization.
30224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 30224 is about 173.8505104968.
The cubic root of 30224 is about 31.1494689390.
Adding to 30224 its reverse (42203), we get a palindrome (72427).
The spelling of 30224 in words is "thirty thousand, two hundred twenty-four".