667322 has 16 divisors (see below), whose sum is σ = 1062720. Its totient is φ = 313632.

The previous prime is 667321. The next prime is 667333. The reversal of 667322 is 223766.

It is a d-powerful number, because it can be written as 6³ + 6⁵ + 3¹² + 7⁶ + 2¹¹ + 2¹³ .

It is a junction number, because it is equal to n+sod(n) for n = 667291 and 667300.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 667322.

It is not an unprimeable number, because it can be changed into a prime (667321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (66420).

2⁶⁶⁷³²² is an apocalyptic number.

667322 is a deficient number, since it is larger than the sum of its proper divisors (395398).

667322 is a wasteful number, since it uses less digits than its factorization.

667322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 3024, while the sum is 26.

The square root of 667322 is about 816.8977904242. The cubic root of 667322 is about 87.3866614194.

Subtracting from 667322 its reverse (223766), we obtain a square (443556 = 666²).

It can be divided in two parts, 667 and 322, that added together give a palindrome (989).

The spelling of 667322 in words is "six hundred sixty-seven thousand, three hundred twenty-two".