442322 has 8 divisors (see below), whose sum is σ = 669900. Its totient is φ = 219024.

The previous prime is 442319. The next prime is 442327. The reversal of 442322 is 223244.

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 83521 = 599^2 + 289^2 .

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 442322.

It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 1232.

2⁴⁴²³²² is an apocalyptic number.

442322 is a deficient number, since it is larger than the sum of its proper divisors (227578).

442322 is a wasteful number, since it uses less digits than its factorization.

442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its digits is 384, while the sum is 17.

The square root of 442322 is about 665.0729283319. The cubic root of 442322 is about 76.1926093277.

Adding to 442322 its reverse (223244), we get a palindrome (665566).

The spelling of 442322 in words is "four hundred forty-two thousand, three hundred twenty-two", and thus it is an iban number.