22164585 has 8 divisors (see below), whose sum is σ = 35463360. Its totient is φ = 11821104.

The previous prime is 22164581. The next prime is 22164599. The reversal of 22164585 is 58546122.

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

It is not a de Polignac number, because 22164585 - 2² = 22164581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22164581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738805 + ... + 738834.

It is an arithmetic number, because the mean of its divisors is an integer number (4432920).

Almost surely, 2^22164585 is an apocalyptic number.

It is an amenable number.

22164585 is a deficient number, since it is larger than the sum of its proper divisors (13298775).

22164585 is a wasteful number, since it uses less digits than its factorization.

22164585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477647.

The product of its digits is 19200, while the sum is 33.

The square root of 22164585 is about 4707.9278881478. The cubic root of 22164585 is about 280.9009457398.

The spelling of 22164585 in words is "twenty-two million, one hundred sixty-four thousand, five hundred eighty-five".