2228285808 has 80 divisors (see below), whose sum is σ = 7309730560. Its totient is φ = 636652224.

The previous prime is 2228285783. The next prime is 2228285821. The reversal of 2228285808 is 8085828222.

2228285808 is a `hidden beast` number, since 22 + 28 + 28 + 580 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365410 + ... + 371457.

It is an arithmetic number, because the mean of its divisors is an integer number (91371632).

Almost surely, 2^2228285808 is an apocalyptic number.

2228285808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2228285808 is an abundant number, since it is smaller than the sum of its proper divisors (5081444752).

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

2228285808 is a wasteful number, since it uses less digits than its factorization.

2228285808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736891 (or 736879 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 2228285808 is about 47204.7223061422. The cubic root of 2228285808 is about 1306.1417092740.

The spelling of 2228285808 in words is "two billion, two hundred twenty-eight million, two hundred eighty-five thousand, eight hundred eight".