221303030232223 has 4 divisors (see below), whose sum is σ = 221304535094848. Its totient is φ = 221301525369600.

The previous prime is 221303030232049. The next prime is 221303030232241. The reversal of 221303030232223 is 322232030303122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221303030232223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221303030232191 and 221303030232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303030232023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752210703 + ... + 752504848.

It is an arithmetic number, because the mean of its divisors is an integer number (55326133773712).

Almost surely, 2^{221303030232223} is an apocalyptic number.

221303030232223 is a deficient number, since it is larger than the sum of its proper divisors (1504862625).

221303030232223 is a wasteful number, since it uses less digits than its factorization.

221303030232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504862624.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 221303030232223 its reverse (322232030303122), we get a palindrome (543535060535345).

The spelling of 221303030232223 in words is "two hundred twenty-one trillion, three hundred three billion, thirty million, two hundred thirty-two thousand, two hundred twenty-three".