224738 has 8 divisors (see below), whose sum is σ = 346332. Its totient is φ = 109296.

The previous prime is 224737. The next prime is 224743. The reversal of 224738 is 837422.

It can be written as a sum of positive squares in 2 ways, for example, as 187489 + 37249 = 433^2 + 193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁵ + 7⁶ + 4⁸ + 3⁴ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (224737) 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 in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 1592.

2²²⁴⁷³⁸ is an apocalyptic number.

224738 is a deficient number, since it is larger than the sum of its proper divisors (121594).

224738 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 224738 = (372248)₉.

224738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its digits is 2688, while the sum is 26.

The square root of 224738 is about 474.0653963326. The cubic root of 224738 is about 60.7984028320.

The spelling of 224738 in words is "two hundred twenty-four thousand, seven hundred thirty-eight".