223404232 has 8 divisors (see below), whose sum is σ = 418882950. Its totient is φ = 111702112.

The previous prime is 223404229. The next prime is 223404239. The reversal of 223404232 is 232404322.

It can be written as a sum of positive squares in only one way, i.e., 223382916 + 21316 = 14946^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (223404239) by changing a digit.

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 as a sum of consecutive naturals, namely, 13962757 + ... + 13962772.

Almost surely, 2^223404232 is an apocalyptic number.

It is an amenable number.

223404232 is a deficient number, since it is larger than the sum of its proper divisors (195478718).

223404232 is a wasteful number, since it uses less digits than its factorization.

223404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27925535 (or 27925531 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223404232 is about 14946.7130834843. The cubic root of 223404232 is about 606.7788929496.

Adding to 223404232 its reverse (232404322), we get a palindrome (455808554).

The spelling of 223404232 in words is "two hundred twenty-three million, four hundred four thousand, two hundred thirty-two".