1322424321 has 4 divisors (see below), whose sum is σ = 1763232432. Its totient is φ = 881616212.

The previous prime is 1322424317. The next prime is 1322424329. The reversal of 1322424321 is 1234242231.

It is a happy number.

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 1322424321 - 2² = 1322424317 is a prime.

It is a super-2 number, since 2×1322424321² = 3497612169544622082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322424291 and 1322424300.

It is not an unprimeable number, because it can be changed into a prime (1322424329) 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, 220404051 + ... + 220404056.

It is an arithmetic number, because the mean of its divisors is an integer number (440808108).

Almost surely, 2^1322424321 is an apocalyptic number.

It is an amenable number.

1322424321 is a deficient number, since it is larger than the sum of its proper divisors (440808111).

1322424321 is an equidigital number, since it uses as much as digits as its factorization.

1322424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440808110.

The product of its digits is 2304, while the sum is 24.

The square root of 1322424321 is about 36365.1525639588. The cubic root of 1322424321 is about 1097.6324619810.

Adding to 1322424321 its reverse (1234242231), we get a palindrome (2556666552).

The spelling of 1322424321 in words is "one billion, three hundred twenty-two million, four hundred twenty-four thousand, three hundred twenty-one".