225938 has 8 divisors (see below), whose sum is σ = 341388. Its totient is φ = 112144.

The previous prime is 225931. The next prime is 225941. The reversal of 225938 is 839522.

225938 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 2 ways, for example, as 223729 + 2209 = 473^2 + 47^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 225938.

It is not an unprimeable number, because it can be changed into a prime (225931) by changing a digit.

225938 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 3 ways as a sum of consecutive naturals, for example, 20 + ... + 672.

2²²⁵⁹³⁸ is an apocalyptic number.

225938 is a deficient number, since it is larger than the sum of its proper divisors (115450).

225938 is a wasteful number, since it uses less digits than its factorization.

225938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its digits is 4320, while the sum is 29.

The square root of 225938 is about 475.3293594972. The cubic root of 225938 is about 60.9064228565.

The spelling of 225938 in words is "two hundred twenty-five thousand, nine hundred thirty-eight".