223305648 has 120 divisors (see below), whose sum is σ = 614674944. Its totient is φ = 69816960.

The previous prime is 223305637. The next prime is 223305697. The reversal of 223305648 is 846503322.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2167965 + ... + 2168067.

Almost surely, 2^223305648 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 223305648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307337472).

223305648 is an abundant number, since it is smaller than the sum of its proper divisors (391369296).

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

223305648 is a wasteful number, since it uses less digits than its factorization.

223305648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 223305648 is about 14943.4148707717. The cubic root of 223305648 is about 606.6896265244.

The spelling of 223305648 in words is "two hundred twenty-three million, three hundred five thousand, six hundred forty-eight".