22223232232 has 8 divisors (see below), whose sum is σ = 41668560450. Its totient is φ = 11111616112.

The previous prime is 22223232221. The next prime is 22223232253. The reversal of 22223232232 is 23223232222.

It can be written as a sum of positive squares in only one way, i.e., 11379342276 + 10843889956 = 106674^2 + 104134^2 .

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 = 22223232197 and 22223232206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388952007 + ... + 1388952022.

Almost surely, 2^22223232232 is an apocalyptic number.

It is an amenable number.

22223232232 is a deficient number, since it is larger than the sum of its proper divisors (19445328218).

22223232232 is a wasteful number, since it uses less digits than its factorization.

22223232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777904035 (or 2777904031 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

Adding to 22223232232 its reverse (23223232222), we get a palindrome (45446464454).

The spelling of 22223232232 in words is "twenty-two billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred thirty-two".