324221144421 has 32 divisors (see below), whose sum is σ = 469928368000. Its totient is φ = 198135901440.

The previous prime is 324221144417. The next prime is 324221144449. The reversal of 324221144421 is 124441122423.

It is not a de Polignac number, because 324221144421 - 2² = 324221144417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324221144411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42946 + ... + 806403.

It is an arithmetic number, because the mean of its divisors is an integer number (14685261500).

Almost surely, 2^324221144421 is an apocalyptic number.

It is an amenable number.

324221144421 is a deficient number, since it is larger than the sum of its proper divisors (145707223579).

324221144421 is a wasteful number, since it uses less digits than its factorization.

324221144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849589.

The product of its digits is 12288, while the sum is 30.

Adding to 324221144421 its reverse (124441122423), we get a palindrome (448662266844).

The spelling of 324221144421 in words is "three hundred twenty-four billion, two hundred twenty-one million, one hundred forty-four thousand, four hundred twenty-one".