22216040652 has 96 divisors (see below), whose sum is σ = 57795075072. Its totient is φ = 6598457856.

The previous prime is 22216040629. The next prime is 22216040677. The reversal of 22216040652 is 25604061222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514483 + ... + 555989.

It is an arithmetic number, because the mean of its divisors is an integer number (602032032).

Almost surely, 2^22216040652 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 22216040652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28897537536).

22216040652 is an abundant number, since it is smaller than the sum of its proper divisors (35579034420).

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

22216040652 is a wasteful number, since it uses less digits than its factorization.

22216040652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647 (or 41645 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 22216040652 in words is "twenty-two billion, two hundred sixteen million, forty thousand, six hundred fifty-two".