16622241 has 8 divisors (see below), whose sum is σ = 22196160. Its totient is φ = 11064912.

The previous prime is 16622237. The next prime is 16622257. The reversal of 16622241 is 14222661.

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

It is not a de Polignac number, because 16622241 - 2² = 16622237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16622201) 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, 1581 + ... + 5978.

It is an arithmetic number, because the mean of its divisors is an integer number (2774520).

Almost surely, 2^16622241 is an apocalyptic number.

It is an amenable number.

16622241 is a deficient number, since it is larger than the sum of its proper divisors (5573919).

16622241 is an equidigital number, since it uses as much as digits as its factorization.

16622241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295.

The product of its digits is 1152, while the sum is 24.

The square root of 16622241 is about 4077.0382632494. The cubic root of 16622241 is about 255.2093167935.

The spelling of 16622241 in words is "sixteen million, six hundred twenty-two thousand, two hundred forty-one".