309165226 has 8 divisors (see below), whose sum is σ = 488155680. Its totient is φ = 146446668.

The previous prime is 309165223. The next prime is 309165239. The reversal of 309165226 is 622561903.

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

It is a junction number, because it is equal to n+sod(n) for n = 309165191 and 309165200.

It is not an unprimeable number, because it can be changed into a prime (309165221) 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, 4067926 + ... + 4068001.

It is an arithmetic number, because the mean of its divisors is an integer number (61019460).

Almost surely, 2^309165226 is an apocalyptic number.

309165226 is a deficient number, since it is larger than the sum of its proper divisors (178990454).

309165226 is a wasteful number, since it uses less digits than its factorization.

309165226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135948.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 309165226 is about 17583.0948925381. The cubic root of 309165226 is about 676.1819080844.

The spelling of 309165226 in words is "three hundred nine million, one hundred sixty-five thousand, two hundred twenty-six".