223021130 has 64 divisors (see below), whose sum is σ = 444165120. Its totient is φ = 80256000.

The previous prime is 223021093. The next prime is 223021151. The reversal of 223021130 is 31120322.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532061 + ... + 532479.

It is an arithmetic number, because the mean of its divisors is an integer number (6940080).

Almost surely, 2^223021130 is an apocalyptic number.

223021130 is a deficient number, since it is larger than the sum of its proper divisors (221143990).

223021130 is a wasteful number, since it uses less digits than its factorization.

223021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 223021130 is about 14933.8919910384. The cubic root of 223021130 is about 606.4318520600.

Adding to 223021130 its reverse (31120322), we get a palindrome (254141452).

It can be divided in two parts, 22302 and 1130, that added together give a palindrome (23432).

The spelling of 223021130 in words is "two hundred twenty-three million, twenty-one thousand, one hundred thirty".