434222309 has 2 divisors, whose sum is σ = 434222310. Its totient is φ = 434222308.

The previous prime is 434222293. The next prime is 434222329. The reversal of 434222309 is 903222434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306600100 + 127622209 = 17510^2 + 11297^2 .

It is a cyclic number.

It is not a de Polignac number, because 434222309 - 2⁴ = 434222293 is a prime.

It is a Chen prime.

It is equal to p_23060189 and since 434222309 and 23060189 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434222329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217111154 + 217111155.

It is an arithmetic number, because the mean of its divisors is an integer number (217111155).

Almost surely, 2^434222309 is an apocalyptic number.

It is an amenable number.

434222309 is a deficient number, since it is larger than the sum of its proper divisors (1).

434222309 is an equidigital number, since it uses as much as digits as its factorization.

434222309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 434222309 is about 20838.0015596506. The cubic root of 434222309 is about 757.2466791922.

The spelling of 434222309 in words is "four hundred thirty-four million, two hundred twenty-two thousand, three hundred nine".