322243445 has 8 divisors (see below), whose sum is σ = 393988536. Its totient is φ = 252930496.

The previous prime is 322243417. The next prime is 322243459. The reversal of 322243445 is 544342223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73582084 + 248661361 = 8578^2 + 15769^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 322243445 - 2¹⁰ = 322242421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607742 + ... + 608271.

It is an arithmetic number, because the mean of its divisors is an integer number (49248567).

Almost surely, 2^322243445 is an apocalyptic number.

It is an amenable number.

322243445 is a deficient number, since it is larger than the sum of its proper divisors (71745091).

322243445 is a wasteful number, since it uses less digits than its factorization.

322243445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216071.

The product of its digits is 23040, while the sum is 29.

The square root of 322243445 is about 17951.1404930160. The cubic root of 322243445 is about 685.5850898193.

Adding to 322243445 its reverse (544342223), we get a palindrome (866585668).

The spelling of 322243445 in words is "three hundred twenty-two million, two hundred forty-three thousand, four hundred forty-five".