22204446216 has 96 divisors (see below), whose sum is σ = 60056388000. Its totient is φ = 6822226944.

The previous prime is 22204446203. The next prime is 22204446227. The reversal of 22204446216 is 61264440222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606480 + ... + 642048.

It is an arithmetic number, because the mean of its divisors is an integer number (625587375).

Almost surely, 2^22204446216 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 22204446216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30028194000).

22204446216 is an abundant number, since it is smaller than the sum of its proper divisors (37851941784).

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

22204446216 is a wasteful number, since it uses less digits than its factorization.

22204446216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35671 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 22204446216 its reverse (61264440222), we get a palindrome (83468886438).

The spelling of 22204446216 in words is "twenty-two billion, two hundred four million, four hundred forty-six thousand, two hundred sixteen".