22361344512 has 120 divisors (see below), whose sum is σ = 64507728384. Its totient is φ = 6880333824.

The previous prime is 22361344477. The next prime is 22361344517. The reversal of 22361344512 is 21544316322.

It is not an unprimeable number, because it can be changed into a prime (22361344517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216513 + ... + 302655.

Almost surely, 2^22361344512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22361344512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32253864192).

22361344512 is an abundant number, since it is smaller than the sum of its proper divisors (42146383872).

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

22361344512 is an equidigital number, since it uses as much as digits as its factorization.

22361344512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86190 (or 86161 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The spelling of 22361344512 in words is "twenty-two billion, three hundred sixty-one million, three hundred forty-four thousand, five hundred twelve".