2225309 has 8 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 2153536.

The previous prime is 2225269. The next prime is 2225323. The reversal of 2225309 is 9035222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2225309 - 2⁸ = 2225053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

2^2225309 is an apocalyptic number.

It is an amenable number.

2225309 is a deficient number, since it is larger than the sum of its proper divisors (72931).

2225309 is a wasteful number, since it uses less digits than its factorization.

2225309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2225309 is about 1491.7469624571. The cubic root of 2225309 is about 130.5559817165. Note that the first 3 decimals are identical.

The spelling of 2225309 in words is "two million, two hundred twenty-five thousand, three hundred nine".