322642 has 8 divisors (see below), whose sum is σ = 486396. Its totient is φ = 160512.

The previous prime is 322633. The next prime is 322649. The reversal of 322642 is 246223.

It can be written as a sum of positive squares in 2 ways, for example, as 314721 + 7921 = 561^2 + 89^2 .

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

It is not an unprimeable number, because it can be changed into a prime (322649) by changing a digit.

322642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478 + ... + 934.

2³²²⁶⁴² is an apocalyptic number.

322642 is a deficient number, since it is larger than the sum of its proper divisors (163754).

322642 is a wasteful number, since it uses less digits than its factorization.

322642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its digits is 576, while the sum is 19.

The square root of 322642 is about 568.0158448494. The cubic root of 322642 is about 68.5867620306.

Adding to 322642 its reverse (246223), we get a palindrome (568865).

The spelling of 322642 in words is "three hundred twenty-two thousand, six hundred forty-two".