221223230233 has 8 divisors (see below), whose sum is σ = 237821166720. Its totient is φ = 205120754640.

The previous prime is 221223230231. The next prime is 221223230243. The reversal of 221223230233 is 332032322122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221223230233 - 2¹ = 221223230231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221223230198 and 221223230207.

It is not an unprimeable number, because it can be changed into a prime (221223230231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123864298 + ... + 123866083.

It is an arithmetic number, because the mean of its divisors is an integer number (29727645840).

Almost surely, 2^221223230233 is an apocalyptic number.

It is an amenable number.

221223230233 is a deficient number, since it is larger than the sum of its proper divisors (16597936487).

221223230233 is a wasteful number, since it uses less digits than its factorization.

221223230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247730447.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 221223230233 its reverse (332032322122), we get a palindrome (553255552355).

The spelling of 221223230233 in words is "two hundred twenty-one billion, two hundred twenty-three million, two hundred thirty thousand, two hundred thirty-three".