68002213 has 2 divisors, whose sum is σ = 68002214. Its totient is φ = 68002212.

The previous prime is 68002211. The next prime is 68002229. The reversal of 68002213 is 31220086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 18679684 = 7023^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 68002213 - 2¹ = 68002211 is a prime.

Together with 68002211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68002211) 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, 34001106 + 34001107.

It is an arithmetic number, because the mean of its divisors is an integer number (34001107).

Almost surely, 2^68002213 is an apocalyptic number.

It is an amenable number.

68002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

68002213 is an equidigital number, since it uses as much as digits as its factorization.

68002213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 68002213 is about 8246.3454329782. The cubic root of 68002213 is about 408.1699379392.

Adding to 68002213 its reverse (31220086), we get a palindrome (99222299).

The spelling of 68002213 in words is "sixty-eight million, two thousand, two hundred thirteen".