223103221 has 8 divisors (see below), whose sum is σ = 249045984. Its totient is φ = 198103920.

The previous prime is 223103203. The next prime is 223103299. The reversal of 223103221 is 122301322.

223103221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223103221 - 2¹⁹ = 222578933 is a prime.

It is a super-3 number, since 3×223103221³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223103195 and 223103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103521) 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, 235366 + ... + 236311.

It is an arithmetic number, because the mean of its divisors is an integer number (31130748).

Almost surely, 2^223103221 is an apocalyptic number.

It is an amenable number.

223103221 is a deficient number, since it is larger than the sum of its proper divisors (25942763).

223103221 is a wasteful number, since it uses less digits than its factorization.

223103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471731.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 223103221 is about 14936.6402179339. The cubic root of 223103221 is about 606.5062493310.

Adding to 223103221 its reverse (122301322), we get a palindrome (345404543).

The spelling of 223103221 in words is "two hundred twenty-three million, one hundred three thousand, two hundred twenty-one".