223333133221 has 8 divisors (see below), whose sum is σ = 254229021504. Its totient is φ = 194202724320.

The previous prime is 223333133209. The next prime is 223333133239. The reversal of 223333133221 is 122331333322.

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

It is not a de Polignac number, because 223333133221 - 2¹¹ = 223333131173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223333133221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223333133321) 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, 441369576 + ... + 441370081.

It is an arithmetic number, because the mean of its divisors is an integer number (31778627688).

Almost surely, 2^223333133221 is an apocalyptic number.

It is an amenable number.

223333133221 is a deficient number, since it is larger than the sum of its proper divisors (30895888283).

223333133221 is a wasteful number, since it uses less digits than its factorization.

223333133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882739691.

The product of its digits is 11664, while the sum is 28.

Adding to 223333133221 its reverse (122331333322), we get a palindrome (345664466543).

The spelling of 223333133221 in words is "two hundred twenty-three billion, three hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-one".