22321310221 has 8 divisors (see below), whose sum is σ = 25869366144. Its totient is φ = 18863078640.

The previous prime is 22321310197. The next prime is 22321310239. The reversal of 22321310221 is 12201312322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22321310221 - 2¹¹ = 22321308173 is a prime.

It is a super-3 number, since 3×22321310221³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321310251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22455550 + ... + 22456543.

It is an arithmetic number, because the mean of its divisors is an integer number (3233670768).

Almost surely, 2^22321310221 is an apocalyptic number.

It is an amenable number.

22321310221 is a deficient number, since it is larger than the sum of its proper divisors (3548055923).

22321310221 is an equidigital number, since it uses as much as digits as its factorization.

22321310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44912171.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22321310221 its reverse (12201312322), we get a palindrome (34522622543).

The spelling of 22321310221 in words is "twenty-two billion, three hundred twenty-one million, three hundred ten thousand, two hundred twenty-one".