3333350221 has 2 divisors, whose sum is σ = 3333350222. Its totient is φ = 3333350220.

The previous prime is 3333350203. The next prime is 3333350261. The reversal of 3333350221 is 1220533333.

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., 2172585321 + 1160764900 = 46611^2 + 34070^2 .

It is a cyclic number.

It is not a de Polignac number, because 3333350221 - 2⁹ = 3333349709 is a prime.

It is a super-3 number, since 3×3333350221³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3333350201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666675110 + 1666675111.

It is an arithmetic number, because the mean of its divisors is an integer number (1666675111).

Almost surely, 2^3333350221 is an apocalyptic number.

It is an amenable number.

3333350221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3333350221 is an equidigital number, since it uses as much as digits as its factorization.

3333350221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 3333350221 is about 57735.1731702608. The cubic root of 3333350221 is about 1493.8041048638.

Adding to 3333350221 its reverse (1220533333), we get a palindrome (4553883554).

The spelling of 3333350221 in words is "three billion, three hundred thirty-three million, three hundred fifty thousand, two hundred twenty-one".