223841856 has 224 divisors, whose sum is σ = 731227392. Its totient is φ = 58982400.

The previous prime is 223841801. The next prime is 223841857. The reversal of 223841856 is 658148322.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (223841857) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2216206 + ... + 2216306.

It is an arithmetic number, because the mean of its divisors is an integer number (3264408).

Almost surely, 2^223841856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223841856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365613696).

223841856 is an abundant number, since it is smaller than the sum of its proper divisors (507385536).

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

223841856 is a wasteful number, since it uses less digits than its factorization.

223841856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 223841856 is about 14961.3453940480. The cubic root of 223841856 is about 607.1748386067.

The spelling of 223841856 in words is "two hundred twenty-three million, eight hundred forty-one thousand, eight hundred fifty-six".