22164205 has 8 divisors (see below), whose sum is σ = 30396672. Its totient is φ = 15198288.

The previous prime is 22164199. The next prime is 22164227. The reversal of 22164205 is 50246122.

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

It is not a de Polignac number, because 22164205 - 2⁹ = 22163693 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 316597 + ... + 316666.

It is an arithmetic number, because the mean of its divisors is an integer number (3799584).

Almost surely, 2^22164205 is an apocalyptic number.

It is an amenable number.

22164205 is a deficient number, since it is larger than the sum of its proper divisors (8232467).

22164205 is an equidigital number, since it uses as much as digits as its factorization.

22164205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633275.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22164205 is about 4707.8875305173. The cubic root of 22164205 is about 280.8993404316.

The spelling of 22164205 in words is "twenty-two million, one hundred sixty-four thousand, two hundred five".