223320528 has 120 divisors (see below), whose sum is σ = 679361280. Its totient is φ = 68221440.

The previous prime is 223320499. The next prime is 223320541. The reversal of 223320528 is 825023322.

223320528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83500 + ... + 86132.

It is an arithmetic number, because the mean of its divisors is an integer number (5661344).

Almost surely, 2^223320528 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 223320528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339680640).

223320528 is an abundant number, since it is smaller than the sum of its proper divisors (456040752).

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

223320528 is a wasteful number, since it uses less digits than its factorization.

223320528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 223320528 is about 14943.9127406446. The cubic root of 223320528 is about 606.7031018384.

The spelling of 223320528 in words is "two hundred twenty-three million, three hundred twenty thousand, five hundred twenty-eight".