22212232232 has 32 divisors (see below), whose sum is σ = 44114051520. Its totient is φ = 10448966400.

The previous prime is 22212232219. The next prime is 22212232241. The reversal of 22212232232 is 23223221222.

It is a junction number, because it is equal to n+sod(n) for n = 22212232198 and 22212232207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359093 + ... + 416379.

It is an arithmetic number, because the mean of its divisors is an integer number (1378564110).

Almost surely, 2^22212232232 is an apocalyptic number.

It is an amenable number.

22212232232 is a deficient number, since it is larger than the sum of its proper divisors (21901819288).

22212232232 is a wasteful number, since it uses less digits than its factorization.

22212232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60161 (or 60157 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

Adding to 22212232232 its reverse (23223221222), we get a palindrome (45435453454).

The spelling of 22212232232 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirty-two".