22031302232 has 8 divisors (see below), whose sum is σ = 41308691700. Its totient is φ = 11015651112.

The previous prime is 22031302207. The next prime is 22031302243. The reversal of 22031302232 is 23220313022.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1376956382 + ... + 1376956397.

Almost surely, 2^22031302232 is an apocalyptic number.

It is an amenable number.

22031302232 is a deficient number, since it is larger than the sum of its proper divisors (19277389468).

22031302232 is a wasteful number, since it uses less digits than its factorization.

22031302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753912785 (or 2753912781 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22031302232 its reverse (23220313022), we get a palindrome (45251615254).

The spelling of 22031302232 in words is "twenty-two billion, thirty-one million, three hundred two thousand, two hundred thirty-two".