22226913556 has 6 divisors (see below), whose sum is σ = 38897098730. Its totient is φ = 11113456776.

The previous prime is 22226913547. The next prime is 22226913557. The reversal of 22226913556 is 65531962222.

It can be written as a sum of positive squares in only one way, i.e., 22132512900 + 94400656 = 148770^2 + 9716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226913557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778364191 + ... + 2778364198.

Almost surely, 2^22226913556 is an apocalyptic number.

It is an amenable number.

22226913556 is a deficient number, since it is larger than the sum of its proper divisors (16670185174).

22226913556 is a wasteful number, since it uses less digits than its factorization.

22226913556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556728393 (or 5556728391 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The spelling of 22226913556 in words is "twenty-two billion, two hundred twenty-six million, nine hundred thirteen thousand, five hundred fifty-six".