22232131212330 has 192 divisors, whose sum is σ = 65561277600000. Its totient is φ = 5181728080896.

The previous prime is 22232131212289. The next prime is 22232131212331. The reversal of 22232131212330 is 3321213123222.

22232131212330 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 2 + 1 + 312 + 12 + 330 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22232131212294 and 22232131212303.

It is not an unprimeable number, because it can be changed into a prime (22232131212331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41504046 + ... + 42036294.

It is an arithmetic number, because the mean of its divisors is an integer number (341464987500).

Almost surely, 2^{22232131212330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22232131212330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32780638800000).

22232131212330 is an abundant number, since it is smaller than the sum of its proper divisors (43329146387670).

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

22232131212330 is a wasteful number, since it uses less digits than its factorization.

22232131212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534173 (or 534170 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 22232131212330 its reverse (3321213123222), we get a palindrome (25553344335552).

The spelling of 22232131212330 in words is "twenty-two trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred twelve thousand, three hundred thirty".