226549309 has 8 divisors (see below), whose sum is σ = 259698368. Its totient is φ = 193596480.

The previous prime is 226549291. The next prime is 226549343. The reversal of 226549309 is 903945622.

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

It is not a de Polignac number, because 226549309 - 2¹⁷ = 226418237 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 (226549009) 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, 46572 + ... + 51205.

It is an arithmetic number, because the mean of its divisors is an integer number (32462296).

Almost surely, 2^226549309 is an apocalyptic number.

It is an amenable number.

226549309 is a deficient number, since it is larger than the sum of its proper divisors (33149059).

226549309 is an equidigital number, since it uses as much as digits as its factorization.

226549309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98115.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 226549309 is about 15051.5550359423. Note that the first 3 decimals coincide. The cubic root of 226549309 is about 609.6130386414.

The spelling of 226549309 in words is "two hundred twenty-six million, five hundred forty-nine thousand, three hundred nine".