223500530 has 64 divisors (see below), whose sum is σ = 469452672. Its totient is φ = 75709440.

The previous prime is 223500527. The next prime is 223500539. The reversal of 223500530 is 35005322.

223500530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223500539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199532 + ... + 200648.

It is an arithmetic number, because the mean of its divisors is an integer number (7335198).

Almost surely, 2^223500530 is an apocalyptic number.

223500530 is an abundant number, since it is smaller than the sum of its proper divisors (245952142).

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

223500530 is a wasteful number, since it uses less digits than its factorization.

223500530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 223500530 is about 14949.9341135672. The cubic root of 223500530 is about 606.8660640829.

Adding to 223500530 its reverse (35005322), we get a palindrome (258505852).

It can be divided in two parts, 2 and 23500530, that added together give a palindrome (23500532).

The spelling of 223500530 in words is "two hundred twenty-three million, five hundred thousand, five hundred thirty".