228982709 has 8 divisors (see below), whose sum is σ = 236890368. Its totient is φ = 221107680.

The previous prime is 228982703. The next prime is 228982711. The reversal of 228982709 is 907289822.

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 228982709 - 2⁴ = 228982693 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 (228982703) 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, 6569 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (29611296).

Almost surely, 2^228982709 is an apocalyptic number.

It is an amenable number.

228982709 is a deficient number, since it is larger than the sum of its proper divisors (7907659).

228982709 is a wasteful number, since it uses less digits than its factorization.

228982709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 228982709 is about 15132.1746289157. The cubic root of 228982709 is about 611.7879184901.

The spelling of 228982709 in words is "two hundred twenty-eight million, nine hundred eighty-two thousand, seven hundred nine".