224546 has 16 divisors (see below), whose sum is σ = 394944. Its totient is φ = 93744.

The previous prime is 224527. The next prime is 224563. The reversal of 224546 is 645422.

224546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×224546² = 100841812232, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 8.

It is an unprimeable number.

224546 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 7 ways as a sum of consecutive naturals, for example, 416 + ... + 788.

It is an arithmetic number, because the mean of its divisors is an integer number (24684).

2²²⁴⁵⁴⁶ is an apocalyptic number.

224546 is a deficient number, since it is larger than the sum of its proper divisors (170398).

224546 is a wasteful number, since it uses less digits than its factorization.

224546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 1920, while the sum is 23.

The square root of 224546 is about 473.8628493562. The cubic root of 224546 is about 60.7810839700.

Adding to 224546 its reverse (645422), we get a palindrome (869968).

The spelling of 224546 in words is "two hundred twenty-four thousand, five hundred forty-six".