618226 has 8 divisors (see below), whose sum is σ = 1059840. Its totient is φ = 264948.

The previous prime is 618199. The next prime is 618227. The reversal of 618226 is 622816.

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 618226.

It is not an unprimeable number, because it can be changed into a prime (618227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22066 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (132480).

2⁶¹⁸²²⁶ is an apocalyptic number.

618226 is a deficient number, since it is larger than the sum of its proper divisors (441614).

618226 is a wasteful number, since it uses less digits than its factorization.

618226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44168.

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

The square root of 618226 is about 786.2734893153. The cubic root of 618226 is about 85.1887845523.

The spelling of 618226 in words is "six hundred eighteen thousand, two hundred twenty-six".