2269909 has 2 divisors, whose sum is σ = 2269910. Its totient is φ = 2269908.

The previous prime is 2269903. The next prime is 2269931. The reversal of 2269909 is 9099622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 28900 = 1497^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2269909 - 2³ = 2269901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2269901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134954 + 1134955.

It is an arithmetic number, because the mean of its divisors is an integer number (1134955).

2^2269909 is an apocalyptic number.

It is an amenable number.

2269909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2269909 is an equidigital number, since it uses as much as digits as its factorization.

2269909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2269909 is about 1506.6217176186. The cubic root of 2269909 is about 131.4224267426.

The spelling of 2269909 in words is "two million, two hundred sixty-nine thousand, nine hundred nine".