22215163616 has 48 divisors (see below), whose sum is σ = 44980944624. Its totient is φ = 10794061824.

The previous prime is 22215163613. The next prime is 22215163657. The reversal of 22215163616 is 61636151222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22215163613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230096 + ... + 312048.

It is an arithmetic number, because the mean of its divisors is an integer number (937103013).

Almost surely, 2^22215163616 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 22215163616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22490472312).

22215163616 is an abundant number, since it is smaller than the sum of its proper divisors (22765781008).

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

22215163616 is a wasteful number, since it uses less digits than its factorization.

22215163616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82203 (or 82195 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 22215163616 in words is "twenty-two billion, two hundred fifteen million, one hundred sixty-three thousand, six hundred sixteen".