22173168 has 80 divisors (see below), whose sum is σ = 62808480. Its totient is φ = 6709248.

The previous prime is 22173157. The next prime is 22173187. The reversal of 22173168 is 86137122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23196 + ... + 24132.

It is an arithmetic number, because the mean of its divisors is an integer number (785106).

Almost surely, 2^22173168 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 22173168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31404240).

22173168 is an abundant number, since it is smaller than the sum of its proper divisors (40635312).

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

22173168 is a wasteful number, since it uses less digits than its factorization.

22173168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 988 counting only the distinct ones).

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

The square root of 22173168 is about 4708.8393474401. The cubic root of 22173168 is about 280.9371996959.

The spelling of 22173168 in words is "twenty-two million, one hundred seventy-three thousand, one hundred sixty-eight".