223442624 has 14 divisors (see below), whose sum is σ = 443394084. Its totient is φ = 111721280.

The previous prime is 223442621. The next prime is 223442627. The reversal of 223442624 is 426244322.

It is a happy number.

223442624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223442621) and next prime (223442627).

It is not an unprimeable number, because it can be changed into a prime (223442621) by changing a digit.

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 as a sum of consecutive naturals, namely, 1745582 + ... + 1745709.

It is an arithmetic number, because the mean of its divisors is an integer number (31671006).

Almost surely, 2^223442624 is an apocalyptic number.

It is an amenable number.

223442624 is a deficient number, since it is larger than the sum of its proper divisors (219951460).

223442624 is an equidigital number, since it uses as much as digits as its factorization.

223442624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491303 (or 3491293 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 223442624 is about 14947.9973240565. The cubic root of 223442624 is about 606.8136492607.

Adding to 223442624 its reverse (426244322), we get a palindrome (649686946).

The spelling of 223442624 in words is "two hundred twenty-three million, four hundred forty-two thousand, six hundred twenty-four".