22100013231 has 8 divisors (see below), whose sum is σ = 29467567920. Its totient is φ = 14732900352.

The previous prime is 22100013217. The next prime is 22100013241. The reversal of 22100013231 is 13231000122.

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

It is not a de Polignac number, because 22100013231 - 2⁶ = 22100013167 is a prime.

It is a super-2 number, since 2×22100013231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22100013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100013241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32815 + ... + 212783.

It is an arithmetic number, because the mean of its divisors is an integer number (3683445990).

Almost surely, 2^22100013231 is an apocalyptic number.

22100013231 is a deficient number, since it is larger than the sum of its proper divisors (7367554689).

22100013231 is a wasteful number, since it uses less digits than its factorization.

22100013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220905.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22100013231 its reverse (13231000122), we get a palindrome (35331013353).

The spelling of 22100013231 in words is "twenty-two billion, one hundred million, thirteen thousand, two hundred thirty-one".