22213123232 has 24 divisors (see below), whose sum is σ = 43739457300. Its totient is φ = 11104689664.

The previous prime is 22213123199. The next prime is 22213123259. The reversal of 22213123232 is 23232131222.

It can be written as a sum of positive squares in 2 ways, for example, as 22142630416 + 70492816 = 148804^2 + 8396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22213123198 and 22213123207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145244 + ... + 255972.

Almost surely, 2^22213123232 is an apocalyptic number.

It is an amenable number.

22213123232 is a deficient number, since it is larger than the sum of its proper divisors (21526334068).

22213123232 is a wasteful number, since it uses less digits than its factorization.

22213123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117008 (or 117000 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 22213123232 its reverse (23232131222), we get a palindrome (45445254454).

The spelling of 22213123232 in words is "twenty-two billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred thirty-two".