2227309 has 8 divisors (see below), whose sum is σ = 2589120. Its totient is φ = 1876416.

The previous prime is 2227307. The next prime is 2227321. The reversal of 2227309 is 9037222.

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 2227309 - 2¹ = 2227307 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹³ + 2²¹ + 7⁶ + 3⁷ + 0 + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (323640).

2^2227309 is an apocalyptic number.

It is an amenable number.

2227309 is a deficient number, since it is larger than the sum of its proper divisors (361811).

2227309 is an equidigital number, since it uses as much as digits as its factorization.

2227309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2227309 is about 1492.4171668806. The cubic root of 2227309 is about 130.5950824702.

The spelling of 2227309 in words is "two million, two hundred twenty-seven thousand, three hundred nine".