1324322221 has 8 divisors (see below), whose sum is σ = 1382413824. Its totient is φ = 1266273360.

The previous prime is 1324322159. The next prime is 1324322257. The reversal of 1324322221 is 1222234231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1324322221 - 2¹⁵ = 1324289453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1324322192 and 1324322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324322621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63751 + ... + 81931.

It is an arithmetic number, because the mean of its divisors is an integer number (172801728).

Almost surely, 2^1324322221 is an apocalyptic number.

It is an amenable number.

1324322221 is a deficient number, since it is larger than the sum of its proper divisors (58091603).

1324322221 is a wasteful number, since it uses less digits than its factorization.

1324322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21371.

The product of its digits is 1152, while the sum is 22.

The square root of 1324322221 is about 36391.2382449402. The cubic root of 1324322221 is about 1098.1573063474.

Adding to 1324322221 its reverse (1222234231), we get a palindrome (2546556452).

The spelling of 1324322221 in words is "one billion, three hundred twenty-four million, three hundred twenty-two thousand, two hundred twenty-one".