22173696 has 96 divisors (see below), whose sum is σ = 65847600. Its totient is φ = 7372800.

The previous prime is 22173667. The next prime is 22173721. The reversal of 22173696 is 69637122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

Its product of digits (27216) is a multiple of the sum of its prime factors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 22173696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55096 + ... + 55496.

Almost surely, 2^22173696 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 22173696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32923800).

22173696 is an abundant number, since it is smaller than the sum of its proper divisors (43673904).

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

22173696 is an equidigital number, since it uses as much as digits as its factorization.

22173696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 406 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22173696 is about 4708.8954118774. The cubic root of 22173696 is about 280.9394296233.

The spelling of 22173696 in words is "twenty-two million, one hundred seventy-three thousand, six hundred ninety-six".