223606856 has 32 divisors (see below), whose sum is σ = 457958880. Its totient is φ = 101510400.

The previous prime is 223606819. The next prime is 223606883. The reversal of 223606856 is 658606322.

223606856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 118835 + ... + 120701.

It is an arithmetic number, because the mean of its divisors is an integer number (14311215).

Almost surely, 2^223606856 is an apocalyptic number.

It is an amenable number.

223606856 is an abundant number, since it is smaller than the sum of its proper divisors (234352024).

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

223606856 is a wasteful number, since it uses less digits than its factorization.

223606856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 223606856 is about 14953.4897599189. The cubic root of 223606856 is about 606.9622837079.

The spelling of 223606856 in words is "two hundred twenty-three million, six hundred six thousand, eight hundred fifty-six".