2209227 has 4 divisors (see below), whose sum is σ = 2945640. Its totient is φ = 1472816.

The previous prime is 2209217. The next prime is 2209231. The reversal of 2209227 is 7229022.

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

It is a cyclic number.

It is not a de Polignac number, because 2209227 - 2¹⁰ = 2208203 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2209197 and 2209206.

It is not an unprimeable number, because it can be changed into a prime (2209217) 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, 368202 + ... + 368207.

It is an arithmetic number, because the mean of its divisors is an integer number (736410).

2^2209227 is an apocalyptic number.

2209227 is a deficient number, since it is larger than the sum of its proper divisors (736413).

2209227 is an equidigital number, since it uses as much as digits as its factorization.

2209227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736412.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2209227 is about 1486.3468639587. The cubic root of 2209227 is about 130.2407177021.

The spelling of 2209227 in words is "two million, two hundred nine thousand, two hundred twenty-seven".