22631444013 has 32 divisors (see below), whose sum is σ = 31552799616. Its totient is φ = 14415418368.

The previous prime is 22631443997. The next prime is 22631444041. The reversal of 22631444013 is 31044413622.

It is not a de Polignac number, because 22631444013 - 2⁴ = 22631443997 is a prime.

It is a super-2 number, since 2×22631444013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631444053) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1882006 + ... + 1893992.

It is an arithmetic number, because the mean of its divisors is an integer number (986024988).

Almost surely, 2^22631444013 is an apocalyptic number.

It is an amenable number.

22631444013 is a deficient number, since it is larger than the sum of its proper divisors (8921355603).

22631444013 is a wasteful number, since it uses less digits than its factorization.

22631444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 22631444013 its reverse (31044413622), we get a palindrome (53675857635).

The spelling of 22631444013 in words is "twenty-two billion, six hundred thirty-one million, four hundred forty-four thousand, thirteen".