221233223013 has 32 divisors (see below), whose sum is σ = 325135544832. Its totient is φ = 132695160000.

The previous prime is 221233222907. The next prime is 221233223047. The reversal of 221233223013 is 310322332122.

It is not a de Polignac number, because 221233223013 - 2⁸ = 221233222757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221233223053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215370 + ... + 1385492.

It is an arithmetic number, because the mean of its divisors is an integer number (10160485776).

Almost surely, 2^221233223013 is an apocalyptic number.

It is an amenable number.

221233223013 is a deficient number, since it is larger than the sum of its proper divisors (103902321819).

221233223013 is a wasteful number, since it uses less digits than its factorization.

221233223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170545.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221233223013 its reverse (310322332122), we get a palindrome (531555555135).

The spelling of 221233223013 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, thirteen".