223344689 has 4 divisors (see below), whose sum is σ = 231046260. Its totient is φ = 215643120.

The previous prime is 223344683. The next prime is 223344707. The reversal of 223344689 is 986443322.

It is a happy number.

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 43784689 + 179560000 = 6617^2 + 13400^2 .

It is a cyclic number.

It is not a de Polignac number, because 223344689 - 2⁴ = 223344673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223344683) 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, 3850742 + ... + 3850799.

It is an arithmetic number, because the mean of its divisors is an integer number (57761565).

Almost surely, 2^223344689 is an apocalyptic number.

223344689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

223344689 is a deficient number, since it is larger than the sum of its proper divisors (7701571).

223344689 is an equidigital number, since it uses as much as digits as its factorization.

223344689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701570.

The product of its digits is 248832, while the sum is 41.

The square root of 223344689 is about 14944.7211081371. The cubic root of 223344689 is about 606.7249807421.

The spelling of 223344689 in words is "two hundred twenty-three million, three hundred forty-four thousand, six hundred eighty-nine".