2200909 has 2 divisors, whose sum is σ = 2200910. Its totient is φ = 2200908.

The previous prime is 2200889. The next prime is 2200943. The reversal of 2200909 is 9090022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 675684 = 1235^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200909 - 2⁹ = 2200397 is a prime.

2200909 is a modest number, since divided by 909 gives 220 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2200909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100454 + 1100455.

It is an arithmetic number, because the mean of its divisors is an integer number (1100455).

2^2200909 is an apocalyptic number.

It is an amenable number.

2200909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200909 is an equidigital number, since it uses as much as digits as its factorization.

2200909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2200909 is about 1483.5460896110. The cubic root of 2200909 is about 130.0770549099.

The spelling of 2200909 in words is "two million, two hundred thousand, nine hundred nine".