223444430 has 32 divisors (see below), whose sum is σ = 464577120. Its totient is φ = 76472320.

The previous prime is 223444409. The next prime is 223444453. The reversal of 223444430 is 34444322.

It is a self number, because there is not a number n which added to its sum of digits gives 223444430.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 57875 + ... + 61614.

It is an arithmetic number, because the mean of its divisors is an integer number (14518035).

Almost surely, 2^223444430 is an apocalyptic number.

223444430 is an abundant number, since it is smaller than the sum of its proper divisors (241132690).

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

223444430 is a wasteful number, since it uses less digits than its factorization.

223444430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119524.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 223444430 is about 14948.0577333646. The cubic root of 223444430 is about 606.8152841360.

Adding to 223444430 its reverse (34444322), we get a palindrome (257888752).

It can be divided in two parts, 2234 and 44430, that added together give a palindrome (46664).

The spelling of 223444430 in words is "two hundred twenty-three million, four hundred forty-four thousand, four hundred thirty".