324221441 has 4 divisors (see below), whose sum is σ = 324528084. Its totient is φ = 323914800.

The previous prime is 324221437. The next prime is 324221459. The reversal of 324221441 is 144122423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144122423 = 53 ⋅2719291.

It can be written as a sum of positive squares in 2 ways, for example, as 135955600 + 188265841 = 11660^2 + 13721^2 .

It is a cyclic number.

It is not a de Polignac number, because 324221441 - 2² = 324221437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324221141) 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, 151730 + ... + 153851.

It is an arithmetic number, because the mean of its divisors is an integer number (81132021).

Almost surely, 2^324221441 is an apocalyptic number.

It is an amenable number.

324221441 is a deficient number, since it is larger than the sum of its proper divisors (306643).

324221441 is a wasteful number, since it uses less digits than its factorization.

324221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306642.

The product of its digits is 1536, while the sum is 23.

The square root of 324221441 is about 18006.1500882337. The cubic root of 324221441 is about 686.9849831488.

Adding to 324221441 its reverse (144122423), we get a palindrome (468343864).

The spelling of 324221441 in words is "three hundred twenty-four million, two hundred twenty-one thousand, four hundred forty-one".