22123412331 has 8 divisors (see below), whose sum is σ = 30295123344. Its totient is φ = 14350321440.

The previous prime is 22123412303. The next prime is 22123412357. The reversal of 22123412331 is 13321432122.

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

It is not a de Polignac number, because 22123412331 - 2⁹ = 22123411819 is a prime.

It is a super-2 number, since 2×22123412331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22123452331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99654900 + ... + 99655121.

It is an arithmetic number, because the mean of its divisors is an integer number (3786890418).

Almost surely, 2^22123412331 is an apocalyptic number.

22123412331 is a deficient number, since it is larger than the sum of its proper divisors (8171711013).

22123412331 is a wasteful number, since it uses less digits than its factorization.

22123412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199310061.

The product of its digits is 1728, while the sum is 24.

Adding to 22123412331 its reverse (13321432122), we get a palindrome (35444844453).

The spelling of 22123412331 in words is "twenty-two billion, one hundred twenty-three million, four hundred twelve thousand, three hundred thirty-one".