2812228686 has 16 divisors (see below), whose sum is σ = 6249397200. Its totient is φ = 937409544.

The previous prime is 2812228609. The next prime is 2812228709. The reversal of 2812228686 is 6868222182.

It is a super-2 number, since 2×2812228686² = 15817260364722573192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26039101 + ... + 26039208.

It is an arithmetic number, because the mean of its divisors is an integer number (390587325).

Almost surely, 2^2812228686 is an apocalyptic number.

2812228686 is an abundant number, since it is smaller than the sum of its proper divisors (3437168514).

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

2812228686 is a wasteful number, since it uses less digits than its factorization.

2812228686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52078320 (or 52078314 counting only the distinct ones).

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

The square root of 2812228686 is about 53030.4505543749. The cubic root of 2812228686 is about 1411.5086523065.

The spelling of 2812228686 in words is "two billion, eight hundred twelve million, two hundred twenty-eight thousand, six hundred eighty-six".