2221320223223 has 4 divisors (see below), whose sum is σ = 2268582355680. Its totient is φ = 2174058090768.

The previous prime is 2221320223183. The next prime is 2221320223277. The reversal of 2221320223223 is 3223220231222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221320223223 - 2¹⁴ = 2221320206839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221320223192 and 2221320223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221320213223) 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, 23631066158 + ... + 23631066251.

It is an arithmetic number, because the mean of its divisors is an integer number (567145588920).

Almost surely, 2^{2221320223223} is an apocalyptic number.

2221320223223 is a deficient number, since it is larger than the sum of its proper divisors (47262132457).

2221320223223 is an equidigital number, since it uses as much as digits as its factorization.

2221320223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47262132456.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2221320223223 its reverse (3223220231222), we get a palindrome (5444540454445).

The spelling of 2221320223223 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, two hundred twenty-three thousand, two hundred twenty-three".