305020229 has 2 divisors, whose sum is σ = 305020230. Its totient is φ = 305020228.

The previous prime is 305020201. The next prime is 305020241. The reversal of 305020229 is 922020503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168948004 + 136072225 = 12998^2 + 11665^2 .

It is a cyclic number.

It is not a de Polignac number, because 305020229 - 2²⁴ = 288243013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305020829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152510114 + 152510115.

It is an arithmetic number, because the mean of its divisors is an integer number (152510115).

Almost surely, 2^305020229 is an apocalyptic number.

It is an amenable number.

305020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

305020229 is an equidigital number, since it uses as much as digits as its factorization.

305020229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 305020229 is about 17464.8283415555. The cubic root of 305020229 is about 673.1464311223.

The spelling of 305020229 in words is "three hundred five million, twenty thousand, two hundred twenty-nine".