2200609 has 2 divisors, whose sum is σ = 2200610. Its totient is φ = 2200608.

The previous prime is 2200603. The next prime is 2200619. The reversal of 2200609 is 9060022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1682209 + 518400 = 1297^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200609 - 2⁵ = 2200577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2200603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100304 + 1100305.

It is an arithmetic number, because the mean of its divisors is an integer number (1100305).

2^2200609 is an apocalyptic number.

It is an amenable number.

2200609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200609 is an equidigital number, since it uses as much as digits as its factorization.

2200609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2200609 is about 1483.4449770720. Note that the first 3 decimals coincide. The cubic root of 2200609 is about 130.0711444899.

It can be divided in two parts, 2200 and 609, that added together give a square (2809 = 53²).

The spelling of 2200609 in words is "two million, two hundred thousand, six hundred nine".