1330030221 has 16 divisors (see below), whose sum is σ = 1910991936. Its totient is φ = 817963776.

The previous prime is 1330030217. The next prime is 1330030253. The reversal of 1330030221 is 1220300331.

It is not a de Polignac number, because 1330030221 - 2² = 1330030217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330030211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57301 + ... + 77093.

It is an arithmetic number, because the mean of its divisors is an integer number (119436996).

Almost surely, 2^1330030221 is an apocalyptic number.

It is an amenable number.

1330030221 is a deficient number, since it is larger than the sum of its proper divisors (580961715).

1330030221 is a wasteful number, since it uses less digits than its factorization.

1330030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1330030221 is about 36469.5793915970. The cubic root of 1330030221 is about 1099.7327783401.

Adding to 1330030221 its reverse (1220300331), we get a palindrome (2550330552).

The spelling of 1330030221 in words is "one billion, three hundred thirty million, thirty thousand, two hundred twenty-one".