22100012231 has 8 divisors (see below), whose sum is σ = 25157326464. Its totient is φ = 19217401720.

The previous prime is 22100012197. The next prime is 22100012287. The reversal of 22100012231 is 13221000122.

It is a happy number.

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

It is not a de Polignac number, because 22100012231 - 2¹⁸ = 22099750087 is a prime.

It is a super-2 number, since 2×22100012231² (a number of 21 digits) contains 22 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 (22100012531) 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, 43675661 + ... + 43676166.

It is an arithmetic number, because the mean of its divisors is an integer number (3144665808).

Almost surely, 2^22100012231 is an apocalyptic number.

22100012231 is a deficient number, since it is larger than the sum of its proper divisors (3057314233).

22100012231 is a wasteful number, since it uses less digits than its factorization.

22100012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87351861.

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

Adding to 22100012231 its reverse (13221000122), we get a palindrome (35321012353).

The spelling of 22100012231 in words is "twenty-two billion, one hundred million, twelve thousand, two hundred thirty-one".