9318966228 has 216 divisors, whose sum is σ = 29467017216. Its totient is φ = 2453068800.

The previous prime is 9318966221. The next prime is 9318966229. The reversal of 9318966228 is 8226698139.

9318966228 is a `hidden beast` number, since 9 + 3 + 1 + 8 + 9 + 6 + 622 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9318966221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1133613 + ... + 1141803.

It is an arithmetic number, because the mean of its divisors is an integer number (136421376).

Almost surely, 2^9318966228 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 9318966228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14733508608).

9318966228 is an abundant number, since it is smaller than the sum of its proper divisors (20148050988).

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

9318966228 is a wasteful number, since it uses less digits than its factorization.

9318966228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255 (or 8237 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 9318966228 is about 96534.7928365727. The cubic root of 9318966228 is about 2104.3723134187.

The spelling of 9318966228 in words is "nine billion, three hundred eighteen million, nine hundred sixty-six thousand, two hundred twenty-eight".