224244 has 18 divisors (see below), whose sum is σ = 566930. Its totient is φ = 74736.

The previous prime is 224239. The next prime is 224251. The reversal of 224244 is 442422.

224244 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 32400 = 438^2 + 180^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

224244 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 in 5 ways as a sum of consecutive naturals, for example, 3079 + ... + 3150.

2²²⁴²⁴⁴ is an apocalyptic number.

It is an amenable number.

224244 is an abundant number, since it is smaller than the sum of its proper divisors (342686).

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

224244 is a wasteful number, since it uses less digits than its factorization.

224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6234 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 224244 is about 473.5440845370. The cubic root of 224244 is about 60.7538228555.

Adding to 224244 its reverse (442422), we get a palindrome (666666).

The spelling of 224244 in words is "two hundred twenty-four thousand, two hundred forty-four", and thus it is an iban number.