303240229 has 2 divisors, whose sum is σ = 303240230. Its totient is φ = 303240228.

The previous prime is 303240227. The next prime is 303240263. The reversal of 303240229 is 922042303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235622500 + 67617729 = 15350^2 + 8223^2 .

It is a cyclic number.

It is not a de Polignac number, because 303240229 - 2¹ = 303240227 is a prime.

Together with 303240227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303240221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151620114 + 151620115.

It is an arithmetic number, because the mean of its divisors is an integer number (151620115).

Almost surely, 2^303240229 is an apocalyptic number.

It is an amenable number.

303240229 is a deficient number, since it is larger than the sum of its proper divisors (1).

303240229 is an equidigital number, since it uses as much as digits as its factorization.

303240229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 303240229 is about 17413.7942160805. The cubic root of 303240229 is about 671.8344536527.

The spelling of 303240229 in words is "three hundred three million, two hundred forty thousand, two hundred twenty-nine".