322742489 has 4 divisors (see below), whose sum is σ = 323136420. Its totient is φ = 322348560.

The previous prime is 322742443. The next prime is 322742533. The reversal of 322742489 is 984247223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186786889 + 135955600 = 13667^2 + 11660^2 .

It is a cyclic number.

It is not a de Polignac number, because 322742489 - 2¹² = 322738393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322742419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195734 + ... + 197375.

It is an arithmetic number, because the mean of its divisors is an integer number (80784105).

Almost surely, 2^322742489 is an apocalyptic number.

It is an amenable number.

322742489 is a deficient number, since it is larger than the sum of its proper divisors (393931).

322742489 is an equidigital number, since it uses as much as digits as its factorization.

322742489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393930.

The product of its digits is 193536, while the sum is 41.

The square root of 322742489 is about 17965.0351794813. The cubic root of 322742489 is about 685.9388189281.

The spelling of 322742489 in words is "three hundred twenty-two million, seven hundred forty-two thousand, four hundred eighty-nine".