22021313310223 has 12 divisors (see below), whose sum is σ = 23017942641240. Its totient is φ = 21042761978112.

The previous prime is 22021313310197. The next prime is 22021313310229. The reversal of 22021313310223 is 32201331312022.

It is a de Polignac number, because none of the positive numbers 2^k-22021313310223 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 (22021313310229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40079761 + ... + 40625482.

It is an arithmetic number, because the mean of its divisors is an integer number (1918161886770).

Almost surely, 2^{22021313310223} is an apocalyptic number.

22021313310223 is a deficient number, since it is larger than the sum of its proper divisors (996629331017).

22021313310223 is an frugal number, since it uses more digits than its factorization.

22021313310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80705466 (or 80705369 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22021313310223 its reverse (32201331312022), we get a palindrome (54222644622245).

The spelling of 22021313310223 in words is "twenty-two trillion, twenty-one billion, three hundred thirteen million, three hundred ten thousand, two hundred twenty-three".