224648 has 8 divisors (see below), whose sum is σ = 421230. Its totient is φ = 112320.

The previous prime is 224633. The next prime is 224669. The reversal of 224648 is 846422.

224648 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 14884 = 458^2 + 122^2 .

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

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

224648 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 as a sum of consecutive naturals, namely, 14033 + ... + 14048.

2²²⁴⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

224648 is a deficient number, since it is larger than the sum of its proper divisors (196582).

224648 is a wasteful number, since it uses less digits than its factorization.

224648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28087 (or 28083 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 224648 is about 473.9704632147. The cubic root of 224648 is about 60.7902858442.

The spelling of 224648 in words is "two hundred twenty-four thousand, six hundred forty-eight".