223444466789 has 4 divisors (see below), whose sum is σ = 223445473824. Its totient is φ = 223443459756.

The previous prime is 223444466759. The next prime is 223444466879. The reversal of 223444466789 is 987664444322.

223444466789 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223444466789 - 2¹² = 223444462693 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444466759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8417 + ... + 668550.

It is an arithmetic number, because the mean of its divisors is an integer number (55861368456).

Almost surely, 2^223444466789 is an apocalyptic number.

It is an amenable number.

223444466789 is a deficient number, since it is larger than the sum of its proper divisors (1007035).

223444466789 is an equidigital number, since it uses as much as digits as its factorization.

223444466789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007034.

The product of its digits is 55738368, while the sum is 59.

The spelling of 223444466789 in words is "two hundred twenty-three billion, four hundred forty-four million, four hundred sixty-six thousand, seven hundred eighty-nine".