225238 has 8 divisors (see below), whose sum is σ = 363888. Its totient is φ = 103944.

The previous prime is 225227. The next prime is 225241. The reversal of 225238 is 832522.

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 2¹¹ + 2¹⁴ + 2¹⁶ + 5⁷ + 3¹⁰ + 8⁴ .

It is a congruent number.

It is an unprimeable number.

225238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4306 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (45486).

2²²⁵²³⁸ is an apocalyptic number.

225238 is a deficient number, since it is larger than the sum of its proper divisors (138650).

225238 is a wasteful number, since it uses less digits than its factorization.

225238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678.

The product of its digits is 960, while the sum is 22.

The square root of 225238 is about 474.5924567458. The cubic root of 225238 is about 60.8434577924.

The spelling of 225238 in words is "two hundred twenty-five thousand, two hundred thirty-eight".