226618 has 8 divisors (see below), whose sum is σ = 388512. Its totient is φ = 97116.

The previous prime is 226609. The next prime is 226621. The reversal of 226618 is 816622.

226618 is nontrivially palindromic in base 6.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 226592 and 226601.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 8080 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (48564).

2²²⁶⁶¹⁸ is an apocalyptic number.

226618 is a deficient number, since it is larger than the sum of its proper divisors (161894).

226618 is a wasteful number, since it uses less digits than its factorization.

226618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16196.

The product of its digits is 1152, while the sum is 25.

The square root of 226618 is about 476.0441156027. The cubic root of 226618 is about 60.9674645094.

The spelling of 226618 in words is "two hundred twenty-six thousand, six hundred eighteen".