321424222433 has 4 divisors (see below), whose sum is σ = 332507816340. Its totient is φ = 310340628528.

The previous prime is 321424222409. The next prime is 321424222501. The reversal of 321424222433 is 334222424123.

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 138366888529 + 183057333904 = 371977^2 + 427852^2 .

It is a cyclic number.

It is not a de Polignac number, because 321424222433 - 2¹⁰ = 321424221409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321424222433.

It is not an unprimeable number, because it can be changed into a prime (321424227433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541796910 + ... + 5541796967.

It is an arithmetic number, because the mean of its divisors is an integer number (83126954085).

Almost surely, 2^321424222433 is an apocalyptic number.

It is an amenable number.

321424222433 is a deficient number, since it is larger than the sum of its proper divisors (11083593907).

321424222433 is a wasteful number, since it uses less digits than its factorization.

321424222433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083593906.

The product of its digits is 55296, while the sum is 32.

Adding to 321424222433 its reverse (334222424123), we get a palindrome (655646646556).

The spelling of 321424222433 in words is "three hundred twenty-one billion, four hundred twenty-four million, two hundred twenty-two thousand, four hundred thirty-three".