22031231201268 has 24 divisors (see below), whose sum is σ = 51905295519168. Its totient is φ = 7272445250496.

The previous prime is 22031231201267. The next prime is 22031231201303. The reversal of 22031231201268 is 86210213213022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031231201267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8912309121 + ... + 8912311592.

It is an arithmetic number, because the mean of its divisors is an integer number (2162720646632).

Almost surely, 2^{22031231201268} is an apocalyptic number.

It is an amenable number.

22031231201268 is an abundant number, since it is smaller than the sum of its proper divisors (29874064317900).

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

22031231201268 is a wasteful number, since it uses less digits than its factorization.

22031231201268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17824620823 (or 17824620821 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 22031231201268 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-one million, two hundred one thousand, two hundred sixty-eight".