223335566889 has 4 divisors (see below), whose sum is σ = 297780755856. Its totient is φ = 148890377924.

The previous prime is 223335566887. The next prime is 223335566903. The reversal of 223335566889 is 988665533322.

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 223335566889 - 2¹ = 223335566887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223335566887) 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, 37222594479 + ... + 37222594484.

It is an arithmetic number, because the mean of its divisors is an integer number (74445188964).

Almost surely, 2^223335566889 is an apocalyptic number.

It is an amenable number.

223335566889 is a deficient number, since it is larger than the sum of its proper divisors (74445188967).

223335566889 is an equidigital number, since it uses as much as digits as its factorization.

223335566889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445188966.

The product of its digits is 55987200, while the sum is 60.

The spelling of 223335566889 in words is "two hundred twenty-three billion, three hundred thirty-five million, five hundred sixty-six thousand, eight hundred eighty-nine".