320144122 has 4 divisors (see below), whose sum is σ = 480216186. Its totient is φ = 160072060.

The previous prime is 320144101. The next prime is 320144147. The reversal of 320144122 is 221441023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221441023 = 8647 ⋅25609.

It can be written as a sum of positive squares in only one way, i.e., 255968001 + 64176121 = 15999^2 + 8011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320144122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 80036029 + ... + 80036032.

Almost surely, 2^320144122 is an apocalyptic number.

320144122 is a deficient number, since it is larger than the sum of its proper divisors (160072064).

320144122 is a wasteful number, since it uses less digits than its factorization.

320144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160072063.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 320144122 is about 17892.5716988923. The cubic root of 320144122 is about 684.0930487392.

Adding to 320144122 its reverse (221441023), we get a palindrome (541585145).

The spelling of 320144122 in words is "three hundred twenty million, one hundred forty-four thousand, one hundred twenty-two".