22215505242 has 96 divisors (see below), whose sum is σ = 57605878080. Its totient is φ = 5659476480.

The previous prime is 22215505199. The next prime is 22215505289. The reversal of 22215505242 is 24250551222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22009 + ... + 211932.

It is an arithmetic number, because the mean of its divisors is an integer number (600061230).

Almost surely, 2^22215505242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22215505242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28802939040).

22215505242 is an abundant number, since it is smaller than the sum of its proper divisors (35390372838).

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

22215505242 is a wasteful number, since it uses less digits than its factorization.

22215505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233996 (or 233989 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 22215505242 in words is "twenty-two billion, two hundred fifteen million, five hundred five thousand, two hundred forty-two".