1300430221 has 2 divisors, whose sum is σ = 1300430222. Its totient is φ = 1300430220.

The previous prime is 1300430213. The next prime is 1300430227. The reversal of 1300430221 is 1220340031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121245225 + 179184996 = 33485^2 + 13386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300430221 - 2³ = 1300430213 is a prime.

It is a super-2 number, since 2×1300430221² = 3382237519380217682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300430195 and 1300430204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300430227) 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 as a sum of consecutive naturals, namely, 650215110 + 650215111.

It is an arithmetic number, because the mean of its divisors is an integer number (650215111).

Almost surely, 2^1300430221 is an apocalyptic number.

It is an amenable number.

1300430221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300430221 is an equidigital number, since it uses as much as digits as its factorization.

1300430221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1300430221 is about 36061.4783529461. The cubic root of 1300430221 is about 1091.5132646895.

Adding to 1300430221 its reverse (1220340031), we get a palindrome (2520770252).

The spelling of 1300430221 in words is "one billion, three hundred million, four hundred thirty thousand, two hundred twenty-one".