22056685 has 16 divisors (see below), whose sum is σ = 30748032.
Its totient is φ = 14875200.
The previous prime is 22056673. The next prime is 22056743. The reversal of 22056685 is 58665022.
It is not a de Polignac number, because 22056685 - 25 = 22056653 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22056685.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 7300.
It is an arithmetic number, because the mean of its divisors is an integer number (1921752).
Almost surely, 222056685 is an apocalyptic number.
It is an amenable number.
22056685 is a deficient number, since it is larger than the sum of its proper divisors (8691347).
22056685 is a wasteful number, since it uses less digits than its factorization.
22056685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10404.
The product of its (nonzero) digits is 28800, while the sum is 34.
The square root of 22056685 is about 4696.4545137795.
The cubic root of 22056685 is about 280.4443836383.
Note that the first 3 decimals are identical.
The spelling of 22056685 in words is "twenty-two million, fifty-six thousand, six hundred eighty-five".