223985449229 has 4 divisors (see below), whose sum is σ = 226820708160. Its totient is φ = 221150190300.

The previous prime is 223985449213. The next prime is 223985449243. The reversal of 223985449229 is 922944589322.

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 223985449229 - 2⁴ = 223985449213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223985446229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417629347 + ... + 1417629504.

It is an arithmetic number, because the mean of its divisors is an integer number (56705177040).

Almost surely, 2^223985449229 is an apocalyptic number.

It is an amenable number.

223985449229 is a deficient number, since it is larger than the sum of its proper divisors (2835258931).

223985449229 is an equidigital number, since it uses as much as digits as its factorization.

223985449229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835258930.

The product of its digits is 22394880, while the sum is 59.

The spelling of 223985449229 in words is "two hundred twenty-three billion, nine hundred eighty-five million, four hundred forty-nine thousand, two hundred twenty-nine".