10668221238 has 64 divisors (see below), whose sum is σ = 23082941952. Its totient is φ = 3278373120.

The previous prime is 10668221237. The next prime is 10668221273. The reversal of 10668221238 is 83212286601.

10668221238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10668221238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10668221196 and 10668221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668221233) 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 in 31 ways as a sum of consecutive naturals, for example, 458256 + ... + 480972.

It is an arithmetic number, because the mean of its divisors is an integer number (360670968).

Almost surely, 2^10668221238 is an apocalyptic number.

10668221238 is an abundant number, since it is smaller than the sum of its proper divisors (12414720714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10668221238 is a wasteful number, since it uses less digits than its factorization.

10668221238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22869.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 10668221238 in words is "ten billion, six hundred sixty-eight million, two hundred twenty-one thousand, two hundred thirty-eight".