223368889 has 4 divisors (see below), whose sum is σ = 229405924. Its totient is φ = 217331856.

The previous prime is 223368841. The next prime is 223368947. The reversal of 223368889 is 988863322.

223368889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179345664 + 44023225 = 13392^2 + 6635^2 .

It is a cyclic number.

It is not a de Polignac number, because 223368889 - 2⁹ = 223368377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223368809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018462 + ... + 3018535.

It is an arithmetic number, because the mean of its divisors is an integer number (57351481).

Almost surely, 2^223368889 is an apocalyptic number.

It is an amenable number.

223368889 is a deficient number, since it is larger than the sum of its proper divisors (6037035).

223368889 is an equidigital number, since it uses as much as digits as its factorization.

223368889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037034.

The product of its digits is 995328, while the sum is 49.

The square root of 223368889 is about 14945.5307366450. The cubic root of 223368889 is about 606.7468933806.

The spelling of 223368889 in words is "two hundred twenty-three million, three hundred sixty-eight thousand, eight hundred eighty-nine".