22131231322232 has 16 divisors (see below), whose sum is σ = 41546602053000. Its totient is φ = 11052137441440.

The previous prime is 22131231322201. The next prime is 22131231322247. The reversal of 22131231322232 is 23222313213122.

It is a junction number, because it is equal to n+sod(n) for n = 22131231322195 and 22131231322204.

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, 1684770482 + ... + 1684783617.

Almost surely, 2^{22131231322232} is an apocalyptic number.

It is an amenable number.

22131231322232 is a deficient number, since it is larger than the sum of its proper divisors (19415370730768).

22131231322232 is a wasteful number, since it uses less digits than its factorization.

22131231322232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369554926 (or 3369554922 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 22131231322232 its reverse (23222313213122), we get a palindrome (45353544535354).

The spelling of 22131231322232 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty-two".