22231511202005 has 24 divisors (see below), whose sum is σ = 31038325678080. Its totient is φ = 15242032824480.

The previous prime is 22231511202001. The next prime is 22231511202059. The reversal of 22231511202005 is 50020211513222.

It is a happy number.

It is not a de Polignac number, because 22231511202005 - 2² = 22231511202001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231511202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5698565 + ... + 8771354.

It is an arithmetic number, because the mean of its divisors is an integer number (1293263569920).

Almost surely, 2^{22231511202005} is an apocalyptic number.

It is an amenable number.

22231511202005 is a deficient number, since it is larger than the sum of its proper divisors (8806814476075).

22231511202005 is a wasteful number, since it uses less digits than its factorization.

22231511202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476209 (or 14476202 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 22231511202005 its reverse (50020211513222), we get a palindrome (72251722715227).

The spelling of 22231511202005 in words is "twenty-two trillion, two hundred thirty-one billion, five hundred eleven million, two hundred two thousand, five".