2228533686 has 12 divisors (see below), whose sum is σ = 4828489692. Its totient is φ = 742844556.

The previous prime is 2228533669. The next prime is 2228533691. The reversal of 2228533686 is 6863358222.

2228533686 is a `hidden beast` number, since 2 + 2 + 285 + 3 + 368 + 6 = 666.

2228533686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61903696 + ... + 61903731.

It is an arithmetic number, because the mean of its divisors is an integer number (402374141).

Almost surely, 2^2228533686 is an apocalyptic number.

2228533686 is an abundant number, since it is smaller than the sum of its proper divisors (2599956006).

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

2228533686 is a wasteful number, since it uses less digits than its factorization.

2228533686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123807435 (or 123807432 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 2228533686 is about 47207.3477967149. The cubic root of 2228533686 is about 1306.1901398940.

The spelling of 2228533686 in words is "two billion, two hundred twenty-eight million, five hundred thirty-three thousand, six hundred eighty-six".