221302022020223 has 4 divisors (see below), whose sum is σ = 221353025025720. Its totient is φ = 221251019014728.

The previous prime is 221302022020207. The next prime is 221302022020319. The reversal of 221302022020223 is 322020220203122.

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 221302022020223 - 2⁴ = 221302022020207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221302022028223) 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, 25501496240 + ... + 25501504917.

It is an arithmetic number, because the mean of its divisors is an integer number (55338256256430).

Almost surely, 2^{221302022020223} is an apocalyptic number.

221302022020223 is a deficient number, since it is larger than the sum of its proper divisors (51003005497).

221302022020223 is an equidigital number, since it uses as much as digits as its factorization.

221302022020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51003005496.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 221302022020223 its reverse (322020220203122), we get a palindrome (543322242223345).

The spelling of 221302022020223 in words is "two hundred twenty-one trillion, three hundred two billion, twenty-two million, twenty thousand, two hundred twenty-three".