16622041 has 2 divisors, whose sum is σ = 16622042. Its totient is φ = 16622040.

The previous prime is 16622033. The next prime is 16622051. The reversal of 16622041 is 14022661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 3984016 = 3555^2 + 1996^2 .

It is an emirp because it is prime and its reverse (14022661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16622041 - 2³ = 16622033 is a prime.

It is not a weakly prime, because it can be changed into another prime (16622051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8311020 + 8311021.

It is an arithmetic number, because the mean of its divisors is an integer number (8311021).

Almost surely, 2^16622041 is an apocalyptic number.

It is an amenable number.

16622041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16622041 is an equidigital number, since it uses as much as digits as its factorization.

16622041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16622041 is about 4077.0137355668. The cubic root of 16622041 is about 255.2082932237.

The spelling of 16622041 in words is "sixteen million, six hundred twenty-two thousand, forty-one".