2202009 has 4 divisors (see below), whose sum is σ = 2936016. Its totient is φ = 1468004.

The previous prime is 2202007. The next prime is 2202019. The reversal of 2202009 is 9002022.

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 2202009 - 2¹ = 2202007 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2202007) 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, 366999 + ... + 367004.

It is an arithmetic number, because the mean of its divisors is an integer number (734004).

2^2202009 is an apocalyptic number.

It is an amenable number.

2202009 is a deficient number, since it is larger than the sum of its proper divisors (734007).

2202009 is an equidigital number, since it uses as much as digits as its factorization.

2202009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734006.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2202009 is about 1483.9167766421. The cubic root of 2202009 is about 130.0987218559.

The spelling of 2202009 in words is "two million, two hundred two thousand, nine".