322618 has 4 divisors (see below), whose sum is σ = 483930. Its totient is φ = 161308.

The previous prime is 322613. The next prime is 322627. The reversal of 322618 is 816223.

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

It can be written as a sum of positive squares in only one way, i.e., 299209 + 23409 = 547^2 + 153^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3¹⁰ + 2⁶ + 6⁴ + 2¹⁸ + 1 + 8² .

It is not an unprimeable number, because it can be changed into a prime (322613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80653 + ... + 80656.

2³²²⁶¹⁸ is an apocalyptic number.

322618 is a deficient number, since it is larger than the sum of its proper divisors (161312).

322618 is a wasteful number, since it uses less digits than its factorization.

322618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161311.

The product of its digits is 576, while the sum is 22.

The square root of 322618 is about 567.9947182853. The cubic root of 322618 is about 68.5850613602.

The spelling of 322618 in words is "three hundred twenty-two thousand, six hundred eighteen".