22143423212332 has 12 divisors (see below), whose sum is σ = 38769090118416. Its totient is φ = 11066540321360.

The previous prime is 22143423212311. The next prime is 22143423212341. The reversal of 22143423212332 is 23321232434122.

It is a happy 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, 1292811568 + ... + 1292828695.

It is an arithmetic number, because the mean of its divisors is an integer number (3230757509868).

Almost surely, 2^{22143423212332} is an apocalyptic number.

It is an amenable number.

22143423212332 is a deficient number, since it is larger than the sum of its proper divisors (16625666906084).

22143423212332 is a wasteful number, since it uses less digits than its factorization.

22143423212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585642408 (or 2585642406 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

Adding to 22143423212332 its reverse (23321232434122), we get a palindrome (45464655646454).

The spelling of 22143423212332 in words is "twenty-two trillion, one hundred forty-three billion, four hundred twenty-three million, two hundred twelve thousand, three hundred thirty-two".