22117368 has 192 divisors, whose sum is σ = 73785600. Its totient is φ = 5391360.

The previous prime is 22117339. The next prime is 22117369. The reversal of 22117368 is 86371122.

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 (22117369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 539428 + ... + 539468.

It is an arithmetic number, because the mean of its divisors is an integer number (384300).

Almost surely, 2^22117368 is an apocalyptic number.

22117368 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 22117368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36892800).

22117368 is an abundant number, since it is smaller than the sum of its proper divisors (51668232).

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

22117368 is a wasteful number, since it uses less digits than its factorization.

22117368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 85 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 22117368 is about 4702.9105881358. The cubic root of 22117368 is about 280.7013370796.

The spelling of 22117368 in words is "twenty-two million, one hundred seventeen thousand, three hundred sixty-eight".