226558 has 4 divisors (see below), whose sum is σ = 339840. Its totient is φ = 113278.

The previous prime is 226553. The next prime is 226571. The reversal of 226558 is 855622.

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 (226553) by changing a digit.

226558 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 as a sum of consecutive naturals, namely, 56638 + ... + 56641.

It is an arithmetic number, because the mean of its divisors is an integer number (84960).

2²²⁶⁵⁵⁸ is an apocalyptic number.

226558 is a deficient number, since it is larger than the sum of its proper divisors (113282).

226558 is a wasteful number, since it uses less digits than its factorization.

226558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113281.

The product of its digits is 4800, while the sum is 28.

The square root of 226558 is about 475.9810920614. The cubic root of 226558 is about 60.9620833970.

It can be divided in two parts, 226 and 558, that added together give a square (784 = 28²).

The spelling of 226558 in words is "two hundred twenty-six thousand, five hundred fifty-eight".