22431123222 has 8 divisors (see below), whose sum is σ = 44862246456. Its totient is φ = 7477041072.

The previous prime is 22431123173. The next prime is 22431123233. The reversal of 22431123222 is 22232113422.

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

22431123222 is an admirable number.

It is a super-2 number, since 2×22431123222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22431123192 and 22431123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869260263 + ... + 1869260274.

It is an arithmetic number, because the mean of its divisors is an integer number (5607780807).

Almost surely, 2^22431123222 is an apocalyptic number.

22431123222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431123222 is a wasteful number, since it uses less digits than its factorization.

22431123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738520542.

The product of its digits is 2304, while the sum is 24.

Adding to 22431123222 its reverse (22232113422), we get a palindrome (44663236644).

The spelling of 22431123222 in words is "twenty-two billion, four hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty-two".