22221713648 has 20 divisors (see below), whose sum is σ = 43866922248. Its totient is φ = 10901217600.

The previous prime is 22221713641. The next prime is 22221713699. The reversal of 22221713648 is 84631712222.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221713641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13101578 + ... + 13103273.

Almost surely, 2^22221713648 is an apocalyptic number.

It is an amenable number.

22221713648 is a deficient number, since it is larger than the sum of its proper divisors (21645208600).

22221713648 is a wasteful number, since it uses less digits than its factorization.

22221713648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26204912 (or 26204906 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The spelling of 22221713648 in words is "twenty-two billion, two hundred twenty-one million, seven hundred thirteen thousand, six hundred forty-eight".