22210100321 has 8 divisors (see below), whose sum is σ = 22477192200. Its totient is φ = 21943398400.

The previous prime is 22210100303. The next prime is 22210100333. The reversal of 22210100321 is 12300101222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11100940321 + 11109160000 = 105361^2 + 105400^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22210100321 - 2³⁰ = 21136358497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210100296 and 22210100305.

It is not an unprimeable number, because it can be changed into a prime (22210100621) 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, 17921 + ... + 211521.

It is an arithmetic number, because the mean of its divisors is an integer number (2809649025).

Almost surely, 2^22210100321 is an apocalyptic number.

It is an amenable number.

22210100321 is a deficient number, since it is larger than the sum of its proper divisors (267091879).

22210100321 is a wasteful number, since it uses less digits than its factorization.

22210100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194979.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22210100321 its reverse (12300101222), we get a palindrome (34510201543).

Subtracting from 22210100321 its reverse (12300101222), we obtain a palindrome (9909999099).

The spelling of 22210100321 in words is "twenty-two billion, two hundred ten million, one hundred thousand, three hundred twenty-one".