223033530 has 64 divisors (see below), whose sum is σ = 576626688. Its totient is φ = 55049280.

The previous prime is 223033529. The next prime is 223033543. The reversal of 223033530 is 35330322.

It is a junction number, because it is equal to n+sod(n) for n = 223033497 and 223033506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16177 + ... + 26603.

It is an arithmetic number, because the mean of its divisors is an integer number (9009792).

Almost surely, 2^223033530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223033530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288313344).

223033530 is an abundant number, since it is smaller than the sum of its proper divisors (353593158).

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

223033530 is a wasteful number, since it uses less digits than its factorization.

223033530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 223033530 is about 14934.3071483079. The cubic root of 223033530 is about 606.4430910782.

Adding to 223033530 its reverse (35330322), we get a palindrome (258363852).

The spelling of 223033530 in words is "two hundred twenty-three million, thirty-three thousand, five hundred thirty".