2228863856 has 20 divisors (see below), whose sum is σ = 4545709800. Its totient is φ = 1055777472.

The previous prime is 2228863841. The next prime is 2228863877. The reversal of 2228863856 is 6583688222.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665591 + ... + 3666198.

It is an arithmetic number, because the mean of its divisors is an integer number (227285490).

Almost surely, 2^2228863856 is an apocalyptic number.

It is an amenable number.

2228863856 is an abundant number, since it is smaller than the sum of its proper divisors (2316845944).

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

2228863856 is a wasteful number, since it uses less digits than its factorization.

2228863856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331816 (or 7331810 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 2228863856 is about 47210.8446863642. The cubic root of 2228863856 is about 1306.2546432197.

The spelling of 2228863856 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-three thousand, eight hundred fifty-six".