1330452221 has 16 divisors (see below), whose sum is σ = 1530562176. Its totient is φ = 1132878336.

The previous prime is 1330452217. The next prime is 1330452223. The reversal of 1330452221 is 1222540331.

It is a cyclic number.

It is not a de Polignac number, because 1330452221 - 2² = 1330452217 is a prime.

It is a super-2 number, since 2×1330452221² = 3540206224727665682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330452223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361285 + ... + 1362261.

It is an arithmetic number, because the mean of its divisors is an integer number (95660136).

Almost surely, 2^1330452221 is an apocalyptic number.

It is an amenable number.

1330452221 is a deficient number, since it is larger than the sum of its proper divisors (200109955).

1330452221 is an equidigital number, since it uses as much as digits as its factorization.

1330452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1330452221 is about 36475.3645766564. The cubic root of 1330452221 is about 1099.8490759878.

Adding to 1330452221 its reverse (1222540331), we get a palindrome (2552992552).

The spelling of 1330452221 in words is "one billion, three hundred thirty million, four hundred fifty-two thousand, two hundred twenty-one".