2228116807386 has 80 divisors (see below), whose sum is σ = 5096569240224. Its totient is φ = 727297530336.

The previous prime is 2228116807381. The next prime is 2228116807447. The reversal of 2228116807386 is 6837086118222.

2228116807386 is a `hidden beast` number, since 2 + 22 + 81 + 168 + 0 + 7 + 386 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2228116807381) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4242385 + ... + 4738571.

Almost surely, 2^{2228116807386} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228116807386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548284620112).

2228116807386 is an abundant number, since it is smaller than the sum of its proper divisors (2868452432838).

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

2228116807386 is a wasteful number, since it uses less digits than its factorization.

2228116807386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496777 (or 496768 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 2228116807386 in words is "two trillion, two hundred twenty-eight billion, one hundred sixteen million, eight hundred seven thousand, three hundred eighty-six".