2266009 has 4 divisors (see below), whose sum is σ = 2269620. Its totient is φ = 2262400.

The previous prime is 2266003. The next prime is 2266021. The reversal of 2266009 is 9006622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1617984 + 648025 = 1272^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266009 - 2⁷ = 2265881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266003) 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, 592 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (567405).

2^2266009 is an apocalyptic number.

It is an amenable number.

2266009 is a deficient number, since it is larger than the sum of its proper divisors (3611).

2266009 is an equidigital number, since it uses as much as digits as its factorization.

2266009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2266009 is about 1505.3268748016. The cubic root of 2266009 is about 131.3471166331.

The spelling of 2266009 in words is "two million, two hundred sixty-six thousand, nine".