22193346168 has 240 divisors, whose sum is σ = 72811629000. Its totient is φ = 6297056640.

The previous prime is 22193346163. The next prime is 22193346173. The reversal of 22193346168 is 86164339122.

22193346168 is a `hidden beast` number, since 2 + 21 + 9 + 3 + 3 + 4 + 616 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (22193346163) and next prime (22193346173).

It is a super-4 number, since 4×22193346168⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22193346163) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4728703 + ... + 4733393.

Almost surely, 2^22193346168 is an apocalyptic number.

22193346168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22193346168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36405814500).

22193346168 is an abundant number, since it is smaller than the sum of its proper divisors (50618282832).

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

22193346168 is a wasteful number, since it uses less digits than its factorization.

22193346168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872 (or 4852 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 22193346168 in words is "twenty-two billion, one hundred ninety-three million, three hundred forty-six thousand, one hundred sixty-eight".