22012232232 has 32 divisors (see below), whose sum is σ = 55038084480. Its totient is φ = 7336410240.

The previous prime is 22012232227. The next prime is 22012232243. The reversal of 22012232232 is 23223221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012232199 and 22012232208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129132 + ... + 246372.

It is an arithmetic number, because the mean of its divisors is an integer number (1719940140).

Almost surely, 2^22012232232 is an apocalyptic number.

It is an amenable number.

22012232232 is an abundant number, since it is smaller than the sum of its proper divisors (33025852248).

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

22012232232 is a wasteful number, since it uses less digits than its factorization.

22012232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125073 (or 125069 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22012232232 its reverse (23223221022), we get a palindrome (45235453254).

The spelling of 22012232232 in words is "twenty-two billion, twelve million, two hundred thirty-two thousand, two hundred thirty-two".