22331320134432 has 48 divisors (see below), whose sum is σ = 59188838829120. Its totient is φ = 7371503730432.

The previous prime is 22331320134397. The next prime is 22331320134443. The reversal of 22331320134432 is 23443102313322.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 22331320134393 and 22331320134402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129203307 + ... + 1129223082.

It is an arithmetic number, because the mean of its divisors is an integer number (1233100808940).

Almost surely, 2^{22331320134432} is an apocalyptic number.

It is an amenable number.

22331320134432 is an abundant number, since it is smaller than the sum of its proper divisors (36857518694688).

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

22331320134432 is a wasteful number, since it uses less digits than its factorization.

22331320134432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258426505 (or 2258426497 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 22331320134432 its reverse (23443102313322), we get a palindrome (45774422447754).

The spelling of 22331320134432 in words is "twenty-two trillion, three hundred thirty-one billion, three hundred twenty million, one hundred thirty-four thousand, four hundred thirty-two".