1324221133 has 4 divisors (see below), whose sum is σ = 1324865088. Its totient is φ = 1323577180.

The previous prime is 1324221091. The next prime is 1324221149. The reversal of 1324221133 is 3311224231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1324221133 - 2⁹ = 1324220621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324221233) 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, 318883 + ... + 323008.

It is an arithmetic number, because the mean of its divisors is an integer number (331216272).

Almost surely, 2^1324221133 is an apocalyptic number.

It is an amenable number.

1324221133 is a deficient number, since it is larger than the sum of its proper divisors (643955).

1324221133 is an equidigital number, since it uses as much as digits as its factorization.

1324221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643954.

The product of its digits is 864, while the sum is 22.

The square root of 1324221133 is about 36389.8493126861. The cubic root of 1324221133 is about 1098.1293641672.

Adding to 1324221133 its reverse (3311224231), we get a palindrome (4635445364).

The spelling of 1324221133 in words is "one billion, three hundred twenty-four million, two hundred twenty-one thousand, one hundred thirty-three".