16722241 has 8 divisors (see below), whose sum is σ = 17395200. Its totient is φ = 16055760.

The previous prime is 16722239. The next prime is 16722253. The reversal of 16722241 is 14222761.

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 16722241 - 2¹ = 16722239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16722941) 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, 4030 + ... + 7048.

It is an arithmetic number, because the mean of its divisors is an integer number (2174400).

Almost surely, 2^16722241 is an apocalyptic number.

It is an amenable number.

16722241 is a deficient number, since it is larger than the sum of its proper divisors (672959).

16722241 is a wasteful number, since it uses less digits than its factorization.

16722241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239.

The product of its digits is 1344, while the sum is 25.

The square root of 16722241 is about 4089.2836781030. The cubic root of 16722241 is about 255.7200767198.

The spelling of 16722241 in words is "sixteen million, seven hundred twenty-two thousand, two hundred forty-one".