22231000032112 has 10 divisors (see below), whose sum is σ = 43072562562248. Its totient is φ = 11115500016048.

The previous prime is 22231000032071. The next prime is 22231000032113. The reversal of 22231000032112 is 21123000013222.

It is a self number, because there is not a number n which added to its sum of digits gives 22231000032112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231000032113) 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 as a sum of consecutive naturals, namely, 694718750988 + ... + 694718751019.

Almost surely, 2^{22231000032112} is an apocalyptic number.

It is an amenable number.

22231000032112 is a deficient number, since it is larger than the sum of its proper divisors (20841562530136).

22231000032112 is a wasteful number, since it uses less digits than its factorization.

22231000032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389437502015 (or 1389437502009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22231000032112 its reverse (21123000013222), we get a palindrome (43354000045334).

The spelling of 22231000032112 in words is "twenty-two trillion, two hundred thirty-one billion, thirty-two thousand, one hundred twelve".