223405530 has 64 divisors (see below), whose sum is σ = 556416000. Its totient is φ = 57346560.

The previous prime is 223405493. The next prime is 223405541. The reversal of 223405530 is 35504322.

223405530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 223405530.

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, 212446 + ... + 213494.

It is an arithmetic number, because the mean of its divisors is an integer number (8694000).

Almost surely, 2^223405530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223405530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278208000).

223405530 is an abundant number, since it is smaller than the sum of its proper divisors (333010470).

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

223405530 is a wasteful number, since it uses less digits than its factorization.

223405530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 223405530 is about 14946.7565043390. The cubic root of 223405530 is about 606.7800680952.

Adding to 223405530 its reverse (35504322), we get a palindrome (258909852).

The spelling of 223405530 in words is "two hundred twenty-three million, four hundred five thousand, five hundred thirty".