22628328656 has 10 divisors (see below), whose sum is σ = 43842386802. Its totient is φ = 11314164320.

The previous prime is 22628328637. The next prime is 22628328659. The reversal of 22628328656 is 65682382622.

It can be written as a sum of positive squares in only one way, i.e., 21491560000 + 1136768656 = 146600^2 + 33716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628328659) 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 as a sum of consecutive naturals, namely, 707135255 + ... + 707135286.

Almost surely, 2^22628328656 is an apocalyptic number.

It is an amenable number.

22628328656 is a deficient number, since it is larger than the sum of its proper divisors (21214058146).

22628328656 is a wasteful number, since it uses less digits than its factorization.

22628328656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414270549 (or 1414270543 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 50.

The spelling of 22628328656 in words is "twenty-two billion, six hundred twenty-eight million, three hundred twenty-eight thousand, six hundred fifty-six".