3331223209 has 2 divisors, whose sum is σ = 3331223210. Its totient is φ = 3331223208.

The previous prime is 3331223197. The next prime is 3331223267. The reversal of 3331223209 is 9023221333.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2742093225 + 589129984 = 52365^2 + 24272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3331223209 is a prime.

It is a super-2 number, since 2×3331223209² = 22194096136360515362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665611604 + 1665611605.

It is an arithmetic number, because the mean of its divisors is an integer number (1665611605).

Almost surely, 2^3331223209 is an apocalyptic number.

It is an amenable number.

3331223209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331223209 is an equidigital number, since it uses as much as digits as its factorization.

3331223209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3331223209 is about 57716.7498132041. The cubic root of 3331223209 is about 1493.4863049422.

The spelling of 3331223209 in words is "three billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred nine".