300221029 has 2 divisors, whose sum is σ = 300221030. Its totient is φ = 300221028.

The previous prime is 300221011. The next prime is 300221057. The reversal of 300221029 is 920122003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272184004 + 28037025 = 16498^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 300221029 - 2⁹ = 300220517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300220997 and 300221015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300221099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150110514 + 150110515.

It is an arithmetic number, because the mean of its divisors is an integer number (150110515).

Almost surely, 2^300221029 is an apocalyptic number.

It is an amenable number.

300221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

300221029 is an equidigital number, since it uses as much as digits as its factorization.

300221029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 300221029 is about 17326.8874585137. The cubic root of 300221029 is about 669.5973142735.

The spelling of 300221029 in words is "three hundred million, two hundred twenty-one thousand, twenty-nine".