68220222213 has 32 divisors (see below), whose sum is σ = 107399577600. Its totient is φ = 37973327040.

The previous prime is 68220222211. The next prime is 68220222223. The reversal of 68220222213 is 31222202286.

It is not a de Polignac number, because 68220222213 - 2¹ = 68220222211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68220222211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314181 + ... + 484922.

It is an arithmetic number, because the mean of its divisors is an integer number (3356236800).

Almost surely, 2^68220222213 is an apocalyptic number.

It is an amenable number.

68220222213 is a deficient number, since it is larger than the sum of its proper divisors (39179355387).

68220222213 is a wasteful number, since it uses less digits than its factorization.

68220222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799329.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 68220222213 its reverse (31222202286), we get a palindrome (99442424499).

The spelling of 68220222213 in words is "sixty-eight billion, two hundred twenty million, two hundred twenty-two thousand, two hundred thirteen".