1323422221 has 8 divisors (see below), whose sum is σ = 1493517600. Its totient is φ = 1161624240.

The previous prime is 1323422207. The next prime is 1323422227. The reversal of 1323422221 is 1222243231.

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 1323422221 - 2¹¹ = 1323420173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323422192 and 1323422201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323422227) 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, 2074011 + ... + 2074648.

It is an arithmetic number, because the mean of its divisors is an integer number (186689700).

Almost surely, 2^1323422221 is an apocalyptic number.

1323422221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323422221 is a deficient number, since it is larger than the sum of its proper divisors (170095379).

1323422221 is a wasteful number, since it uses less digits than its factorization.

1323422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148699.

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

The square root of 1323422221 is about 36378.8705294708. The cubic root of 1323422221 is about 1097.9084833308.

Adding to 1323422221 its reverse (1222243231), we get a palindrome (2545665452).

The spelling of 1323422221 in words is "one billion, three hundred twenty-three million, four hundred twenty-two thousand, two hundred twenty-one".