16422017 has 8 divisors (see below), whose sum is σ = 17812872. Its totient is φ = 15078400.

The previous prime is 16421963. The next prime is 16422019. The reversal of 16422017 is 71022461.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 16248961 = 416^2 + 4031^2 .

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 16422017 - 2¹⁴ = 16405633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16421983 and 16422001.

It is not an unprimeable number, because it can be changed into a prime (16422019) 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, 11084 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (2226609).

Almost surely, 2^16422017 is an apocalyptic number.

16422017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16422017 is a deficient number, since it is larger than the sum of its proper divisors (1390855).

16422017 is a wasteful number, since it uses less digits than its factorization.

16422017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23619.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16422017 is about 4052.4087898434. The cubic root of 16422017 is about 254.1804626152.

Adding to 16422017 its reverse (71022461), we get a palindrome (87444478).

The spelling of 16422017 in words is "sixteen million, four hundred twenty-two thousand, seventeen".