223230033221 has 4 divisors (see below), whose sum is σ = 240401574252. Its totient is φ = 206058492192.

The previous prime is 223230033151. The next prime is 223230033233. The reversal of 223230033221 is 122330032322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9148922500 + 214081110721 = 95650^2 + 462689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223230033221 is a prime.

It is a super-3 number, since 3×223230033221³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223230003221) 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, 8585770496 + ... + 8585770521.

It is an arithmetic number, because the mean of its divisors is an integer number (60100393563).

Almost surely, 2^223230033221 is an apocalyptic number.

It is an amenable number.

223230033221 is a deficient number, since it is larger than the sum of its proper divisors (17171541031).

223230033221 is a wasteful number, since it uses less digits than its factorization.

223230033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171541030.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 223230033221 its reverse (122330032322), we get a palindrome (345560065543).

The spelling of 223230033221 in words is "two hundred twenty-three billion, two hundred thirty million, thirty-three thousand, two hundred twenty-one".