2270609 has 4 divisors (see below), whose sum is σ = 2477040. Its totient is φ = 2064180.

The previous prime is 2270599. The next prime is 2270627. The reversal of 2270609 is 9060722.

2270609 = 152² + 153² + ... + 217².

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 a de Polignac number, because none of the positive numbers 2^k-2270609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2270659) 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, 103199 + ... + 103220.

It is an arithmetic number, because the mean of its divisors is an integer number (619260).

2^2270609 is an apocalyptic number.

It is an amenable number.

2270609 is a deficient number, since it is larger than the sum of its proper divisors (206431).

2270609 is a wasteful number, since it uses less digits than its factorization.

2270609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206430.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2270609 is about 1506.8540075269. The cubic root of 2270609 is about 131.4359348089.

The spelling of 2270609 in words is "two million, two hundred seventy thousand, six hundred nine".