22170150912 has 384 divisors, whose sum is σ = 76611225600. Its totient is φ = 5536677888.

The previous prime is 22170150887. The next prime is 22170150913. The reversal of 22170150912 is 21905107122.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 22170150912.

It is not an unprimeable number, because it can be changed into a prime (22170150913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10621933 + ... + 10624019.

It is an arithmetic number, because the mean of its divisors is an integer number (199508400).

Almost surely, 2^22170150912 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 22170150912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38305612800).

22170150912 is an abundant number, since it is smaller than the sum of its proper divisors (54441074688).

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

22170150912 is a wasteful number, since it uses less digits than its factorization.

22170150912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 22170150912 in words is "twenty-two billion, one hundred seventy million, one hundred fifty thousand, nine hundred twelve".