2262209 has 2 divisors, whose sum is σ = 2262210. Its totient is φ = 2262208.

The previous prime is 2262191. The next prime is 2262223. The reversal of 2262209 is 9022622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149184 + 1113025 = 1072^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2262209 - 2¹⁶ = 2196673 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2262229) 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, 1131104 + 1131105.

It is an arithmetic number, because the mean of its divisors is an integer number (1131105).

2^2262209 is an apocalyptic number.

It is an amenable number.

2262209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2262209 is an equidigital number, since it uses as much as digits as its factorization.

2262209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2262209 is about 1504.0641608655. The cubic root of 2262209 is about 131.2736543912.

The spelling of 2262209 in words is "two million, two hundred sixty-two thousand, two hundred nine".