1330322221 has 8 divisors (see below), whose sum is σ = 1423296800. Its totient is φ = 1239643440.

The previous prime is 1330322171. The next prime is 1330322237. The reversal of 1330322221 is 1222230331.

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 1330322221 - 2⁹ = 1330321709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330322821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572751 + ... + 575068.

It is an arithmetic number, because the mean of its divisors is an integer number (177912100).

Almost surely, 2^1330322221 is an apocalyptic number.

It is an amenable number.

1330322221 is a deficient number, since it is larger than the sum of its proper divisors (92974579).

1330322221 is a wasteful number, since it uses less digits than its factorization.

1330322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147899.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1330322221 is about 36473.5825084403. The cubic root of 1330322221 is about 1099.8132523196.

Adding to 1330322221 its reverse (1222230331), we get a palindrome (2552552552).

The spelling of 1330322221 in words is "one billion, three hundred thirty million, three hundred twenty-two thousand, two hundred twenty-one".