223638616 has 16 divisors (see below), whose sum is σ = 419531040. Its totient is φ = 111763680.

The previous prime is 223638599. The next prime is 223638617. The reversal of 223638616 is 616836322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223638617) 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 in 3 ways as a sum of consecutive naturals, for example, 13761 + ... + 25231.

It is an arithmetic number, because the mean of its divisors is an integer number (26220690).

Almost surely, 2^223638616 is an apocalyptic number.

It is an amenable number.

223638616 is a deficient number, since it is larger than the sum of its proper divisors (195892424).

223638616 is a wasteful number, since it uses less digits than its factorization.

223638616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914 (or 13910 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 223638616 is about 14954.5516816787. The cubic root of 223638616 is about 606.9910189770.

The spelling of 223638616 in words is "two hundred twenty-three million, six hundred thirty-eight thousand, six hundred sixteen".