299221141 has 2 divisors, whose sum is σ = 299221142. Its totient is φ = 299221140.

The previous prime is 299221103. The next prime is 299221151. The reversal of 299221141 is 141122992.

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., 153512100 + 145709041 = 12390^2 + 12071^2 .

It is a cyclic number.

It is not a de Polignac number, because 299221141 - 2⁹ = 299220629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149610570 + 149610571.

It is an arithmetic number, because the mean of its divisors is an integer number (149610571).

Almost surely, 2^299221141 is an apocalyptic number.

It is an amenable number.

299221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

299221141 is an equidigital number, since it uses as much as digits as its factorization.

299221141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 299221141 is about 17298.0097410078. The cubic root of 299221141 is about 668.8531214781.

The spelling of 299221141 in words is "two hundred ninety-nine million, two hundred twenty-one thousand, one hundred forty-one".