22168713312 has 192 divisors, whose sum is σ = 65348236800. Its totient is φ = 7311306240.

The previous prime is 22168713271. The next prime is 22168713313. The reversal of 22168713312 is 21331786122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22168713313) 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, 50497989 + ... + 50498427.

It is an arithmetic number, because the mean of its divisors is an integer number (340355400).

Almost surely, 2^22168713312 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 22168713312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32674118400).

22168713312 is an abundant number, since it is smaller than the sum of its proper divisors (43179523488).

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

22168713312 is a wasteful number, since it uses less digits than its factorization.

22168713312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 932 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 22168713312 in words is "twenty-two billion, one hundred sixty-eight million, seven hundred thirteen thousand, three hundred twelve".