22100440321 has 8 divisors (see below), whose sum is σ = 22864510080. Its totient is φ = 21336502992.

The previous prime is 22100440303. The next prime is 22100440343. The reversal of 22100440321 is 12304400122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100440321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100440301) 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, 404776 + ... + 456118.

It is an arithmetic number, because the mean of its divisors is an integer number (2858063760).

Almost surely, 2^22100440321 is an apocalyptic number.

It is an amenable number.

22100440321 is a deficient number, since it is larger than the sum of its proper divisors (764069759).

22100440321 is a wasteful number, since it uses less digits than its factorization.

22100440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66215.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22100440321 its reverse (12304400122), we get a palindrome (34404840443).

The spelling of 22100440321 in words is "twenty-two billion, one hundred million, four hundred forty thousand, three hundred twenty-one".