322742 has 8 divisors (see below), whose sum is σ = 553296. Its totient is φ = 138312.

The previous prime is 322727. The next prime is 322747. The reversal of 322742 is 247223.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322747) 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 3 ways as a sum of consecutive naturals, for example, 11513 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (69162).

2³²²⁷⁴² is an apocalyptic number.

322742 is a deficient number, since it is larger than the sum of its proper divisors (230554).

322742 is a wasteful number, since it uses less digits than its factorization.

322742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23062.

The product of its digits is 672, while the sum is 20.

The square root of 322742 is about 568.1038637432. The cubic root of 322742 is about 68.5938472497.

Adding to 322742 its reverse (247223), we get a palindrome (569965).

The spelling of 322742 in words is "three hundred twenty-two thousand, seven hundred forty-two", and thus it is an iban number.