22013210232232 has 8 divisors (see below), whose sum is σ = 41274769185450. Its totient is φ = 11006605116112.

The previous prime is 22013210232157. The next prime is 22013210232241. The reversal of 22013210232232 is 23223201231022.

It can be written as a sum of positive squares in only one way, i.e., 19350549953476 + 2662660278756 = 4398926^2 + 1631766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22013210232197 and 22013210232206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375825639507 + ... + 1375825639522.

Almost surely, 2^{22013210232232} is an apocalyptic number.

It is an amenable number.

22013210232232 is a deficient number, since it is larger than the sum of its proper divisors (19261558953218).

22013210232232 is a wasteful number, since it uses less digits than its factorization.

22013210232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751651279035 (or 2751651279031 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22013210232232 its reverse (23223201231022), we get a palindrome (45236411463254).

The spelling of 22013210232232 in words is "twenty-two trillion, thirteen billion, two hundred ten million, two hundred thirty-two thousand, two hundred thirty-two".