224216 has 8 divisors (see below), whose sum is σ = 420420. Its totient is φ = 112104.

The previous prime is 224209. The next prime is 224221. The reversal of 224216 is 612422.

224216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 224194 and 224203.

It is a congruent number.

It is an unprimeable number.

224216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14006 + ... + 14021.

2²²⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

224216 is a deficient number, since it is larger than the sum of its proper divisors (196204).

224216 is a wasteful number, since it uses less digits than its factorization.

224216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28033 (or 28029 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 224216 is about 473.5145193128. The cubic root of 224216 is about 60.7512940954.

Adding to 224216 its reverse (612422), we get a palindrome (836638).

It can be divided in two parts, 224 and 216, that multiplied together give a palindrome (48384).

The spelling of 224216 in words is "two hundred twenty-four thousand, two hundred sixteen".