22184445 has 8 divisors (see below), whose sum is σ = 35495136. Its totient is φ = 11831696.

The previous prime is 22184441. The next prime is 22184453. The reversal of 22184445 is 54448122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22184445 - 2² = 22184441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22184441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 739467 + ... + 739496.

It is an arithmetic number, because the mean of its divisors is an integer number (4436892).

Almost surely, 2^22184445 is an apocalyptic number.

It is an amenable number.

22184445 is a deficient number, since it is larger than the sum of its proper divisors (13310691).

22184445 is a wasteful number, since it uses less digits than its factorization.

22184445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478971.

The product of its digits is 10240, while the sum is 30.

The square root of 22184445 is about 4710.0366240614. The cubic root of 22184445 is about 280.9848186899.

It can be divided in two parts, 221 and 84445, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 22184445 in words is "twenty-two million, one hundred eighty-four thousand, four hundred forty-five".