223428830 has 16 divisors (see below), whose sum is σ = 406319760. Its totient is φ = 88449792.

The previous prime is 223428791. The next prime is 223428851. The reversal of 223428830 is 38824322.

223428830 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114200 + ... + 116139.

It is an arithmetic number, because the mean of its divisors is an integer number (25394985).

Almost surely, 2^223428830 is an apocalyptic number.

223428830 is a deficient number, since it is larger than the sum of its proper divisors (182890930).

223428830 is a wasteful number, since it uses less digits than its factorization.

223428830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230443.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 223428830 is about 14947.5359173343. The cubic root of 223428830 is about 606.8011619987.

The spelling of 223428830 in words is "two hundred twenty-three million, four hundred twenty-eight thousand, eight hundred thirty".