2269609 has 4 divisors (see below), whose sum is σ = 2273616. Its totient is φ = 2265604.

The previous prime is 2269601. The next prime is 2269613. The reversal of 2269609 is 9069622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2269609 - 2³ = 2269601 is a prime.

It is a super-2 number, since 2×2269609² = 10302250025762, which contains 22 as substring.

It is a Duffinian number.

2269609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2269601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (568404).

2^2269609 is an apocalyptic number.

It is an amenable number.

2269609 is a deficient number, since it is larger than the sum of its proper divisors (4007).

2269609 is an equidigital number, since it uses as much as digits as its factorization.

2269609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2269609 is about 1506.5221538364. The cubic root of 2269609 is about 131.4166367212.

The spelling of 2269609 in words is "two million, two hundred sixty-nine thousand, six hundred nine".