1302414221 has 2 divisors, whose sum is σ = 1302414222. Its totient is φ = 1302414220.

The previous prime is 1302414193. The next prime is 1302414259. The reversal of 1302414221 is 1224142031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1236577225 + 65836996 = 35165^2 + 8114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302414221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302414193 and 1302414202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302414271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651207110 + 651207111.

It is an arithmetic number, because the mean of its divisors is an integer number (651207111).

Almost surely, 2^1302414221 is an apocalyptic number.

It is an amenable number.

1302414221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302414221 is an equidigital number, since it uses as much as digits as its factorization.

1302414221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1302414221 is about 36088.9764471092. The cubic root of 1302414221 is about 1092.0680713267.

Adding to 1302414221 its reverse (1224142031), we get a palindrome (2526556252).

The spelling of 1302414221 in words is "one billion, three hundred two million, four hundred fourteen thousand, two hundred twenty-one".