440322 has 8 divisors (see below), whose sum is σ = 880656. Its totient is φ = 146772.

The previous prime is 440311. The next prime is 440329. The reversal of 440322 is 223044.

It is a happy number.

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

440322 is an admirable number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (440329) by changing a digit.

440322 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36688 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (110082).

2⁴⁴⁰³²² is an apocalyptic number.

440322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440322 is a wasteful number, since it uses less digits than its factorization.

440322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73392.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 440322 is about 663.5676303136. The cubic root of 440322 is about 76.0775984894.

Adding to 440322 its reverse (223044), we get a palindrome (663366).

The spelling of 440322 in words is "four hundred forty thousand, three hundred twenty-two", and thus it is an iban number.