2206601 has 2 divisors, whose sum is σ = 2206602. Its totient is φ = 2206600.

The previous prime is 2206591. The next prime is 2206613. The reversal of 2206601 is 1066022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 30976 = 1475^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206601 - 2¹⁴ = 2190217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2206601.

It is not a weakly prime, because it can be changed into another prime (2206621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103300 + 1103301.

It is an arithmetic number, because the mean of its divisors is an integer number (1103301).

2^2206601 is an apocalyptic number.

It is an amenable number.

2206601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206601 is an equidigital number, since it uses as much as digits as its factorization.

2206601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2206601 is about 1485.4632274143. The cubic root of 2206601 is about 130.1890936536.

The spelling of 2206601 in words is "two million, two hundred six thousand, six hundred one".