223446889 has 4 divisors (see below), whose sum is σ = 224616960. Its totient is φ = 222276820.

The previous prime is 223446841. The next prime is 223446893. The reversal of 223446889 is 988644322.

223446889 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223446889 - 2¹¹ = 223444841 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 (223446829) 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, 584749 + ... + 585130.

It is an arithmetic number, because the mean of its divisors is an integer number (56154240).

Almost surely, 2^223446889 is an apocalyptic number.

It is an amenable number.

223446889 is a deficient number, since it is larger than the sum of its proper divisors (1170071).

223446889 is a wasteful number, since it uses less digits than its factorization.

223446889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170070.

The product of its digits is 663552, while the sum is 46.

The square root of 223446889 is about 14948.1399846268. The cubic root of 223446889 is about 606.8175101232.

The spelling of 223446889 in words is "two hundred twenty-three million, four hundred forty-six thousand, eight hundred eighty-nine".