68838228 has 96 divisors (see below), whose sum is σ = 190848000. Its totient is φ = 21409920.

The previous prime is 68838181. The next prime is 68838239. The reversal of 68838228 is 82283886.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 96738 + ... + 97446.

It is an arithmetic number, because the mean of its divisors is an integer number (1988000).

Almost surely, 2^68838228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68838228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95424000).

68838228 is an abundant number, since it is smaller than the sum of its proper divisors (122009772).

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

68838228 is a wasteful number, since it uses less digits than its factorization.

68838228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 774 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 68838228 is about 8296.8806186422. The cubic root of 68838228 is about 409.8358017893.

The spelling of 68838228 in words is "sixty-eight million, eight hundred thirty-eight thousand, two hundred twenty-eight".