22681424512 has 16 divisors (see below), whose sum is σ = 45185650650. Its totient is φ = 11340712192.

The previous prime is 22681424509. The next prime is 22681424537. The reversal of 22681424512 is 21542418622.

It can be written as a sum of positive squares in only one way, i.e., 17249144896 + 5432279616 = 131336^2 + 73704^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88599187 + ... + 88599442.

Almost surely, 2^22681424512 is an apocalyptic number.

It is an amenable number.

22681424512 is a deficient number, since it is larger than the sum of its proper divisors (22504226138).

22681424512 is an equidigital number, since it uses as much as digits as its factorization.

22681424512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177198643 (or 177198631 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The spelling of 22681424512 in words is "twenty-two billion, six hundred eighty-one million, four hundred twenty-four thousand, five hundred twelve".