339223309 has 2 divisors, whose sum is σ = 339223310. Its totient is φ = 339223308.

The previous prime is 339223307. The next prime is 339223361. The reversal of 339223309 is 903322933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251856900 + 87366409 = 15870^2 + 9347^2 .

It is a cyclic number.

It is not a de Polignac number, because 339223309 - 2¹ = 339223307 is a prime.

Together with 339223307, it forms a pair of twin primes.

It is equal to p_18255157 and since 339223309 and 18255157 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 (339223301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169611654 + 169611655.

It is an arithmetic number, because the mean of its divisors is an integer number (169611655).

Almost surely, 2^339223309 is an apocalyptic number.

It is an amenable number.

339223309 is a deficient number, since it is larger than the sum of its proper divisors (1).

339223309 is an equidigital number, since it uses as much as digits as its factorization.

339223309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 339223309 is about 18418.0158811963. The cubic root of 339223309 is about 697.4213348076.

The spelling of 339223309 in words is "three hundred thirty-nine million, two hundred twenty-three thousand, three hundred nine".