227438 has 4 divisors (see below), whose sum is σ = 341160. Its totient is φ = 113718.

The previous prime is 227431. The next prime is 227453. The reversal of 227438 is 834722.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227431) by changing a digit.

227438 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56858 + ... + 56861.

It is an arithmetic number, because the mean of its divisors is an integer number (85290).

2²²⁷⁴³⁸ is an apocalyptic number.

227438 is a deficient number, since it is larger than the sum of its proper divisors (113722).

227438 is a wasteful number, since it uses less digits than its factorization.

227438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113721.

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

The square root of 227438 is about 476.9046026199. The cubic root of 227438 is about 61.0409113712.

The spelling of 227438 in words is "two hundred twenty-seven thousand, four hundred thirty-eight".