16422617 has 2 divisors, whose sum is σ = 16422618. Its totient is φ = 16422616.

The previous prime is 16422607. The next prime is 16422641. The reversal of 16422617 is 71622461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15531481 + 891136 = 3941^2 + 944^2 .

It is an emirp because it is prime and its reverse (71622461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16422617 - 2⁸ = 16422361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16422617.

It is not a weakly prime, because it can be changed into another prime (16422607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8211308 + 8211309.

It is an arithmetic number, because the mean of its divisors is an integer number (8211309).

Almost surely, 2^16422617 is an apocalyptic number.

It is an amenable number.

16422617 is a deficient number, since it is larger than the sum of its proper divisors (1).

16422617 is an equidigital number, since it uses as much as digits as its factorization.

16422617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 16422617 is about 4052.4828192110. The cubic root of 16422617 is about 254.1835581834.

The spelling of 16422617 in words is "sixteen million, four hundred twenty-two thousand, six hundred seventeen".