224474 has 4 divisors (see below), whose sum is σ = 336714. Its totient is φ = 112236.

The previous prime is 224473. The next prime is 224491. The reversal of 224474 is 474422.

Added to its reverse (474422) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208849 + 15625 = 457^2 + 125^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (224473) by changing a digit.

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, 56117 + ... + 56120.

2²²⁴⁴⁷⁴ is an apocalyptic number.

224474 is a deficient number, since it is larger than the sum of its proper divisors (112240).

224474 is a wasteful number, since it uses less digits than its factorization.

224474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112239.

The product of its digits is 1792, while the sum is 23.

The square root of 224474 is about 473.7868719161. The cubic root of 224474 is about 60.7745868516.

Adding to 224474 its reverse (474422), we get a palindrome (698896).

The spelling of 224474 in words is "two hundred twenty-four thousand, four hundred seventy-four", and thus it is an iban number.