223688468 has 12 divisors (see below), whose sum is σ = 392618772. Its totient is φ = 111511680.

The previous prime is 223688441. The next prime is 223688503. The reversal of 223688468 is 864886322.

223688468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51868804 + 171819664 = 7202^2 + 13108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81623 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (32718231).

Almost surely, 2^223688468 is an apocalyptic number.

It is an amenable number.

223688468 is a deficient number, since it is larger than the sum of its proper divisors (168930304).

223688468 is a wasteful number, since it uses less digits than its factorization.

223688468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166282 (or 166280 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 223688468 is about 14956.2183723025. The cubic root of 223688468 is about 607.0361177300.

The spelling of 223688468 in words is "two hundred twenty-three million, six hundred eighty-eight thousand, four hundred sixty-eight".