322669 has 2 divisors, whose sum is σ = 322670. Its totient is φ = 322668.

The previous prime is 322649. The next prime is 322709. The reversal of 322669 is 966223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 152100 = 413^2 + 390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322669 is a prime.

It is a super-2 number, since 2×322669² = 208230567122, which contains 22 as substring.

322669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322649) 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 as a sum of consecutive naturals, namely, 161334 + 161335.

It is an arithmetic number, because the mean of its divisors is an integer number (161335).

2³²²⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

322669 is a deficient number, since it is larger than the sum of its proper divisors (1).

322669 is an equidigital number, since it uses as much as digits as its factorization.

322669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 322669 is about 568.0396112948. The cubic root of 322669 is about 68.5886751840.

It can be divided in two parts, 32 and 2669, that added together give a triangular number (2701 = T₇₃).

The spelling of 322669 in words is "three hundred twenty-two thousand, six hundred sixty-nine".