228832909 has 8 divisors (see below), whose sum is σ = 231884352. Its totient is φ = 225788640.

The previous prime is 228832907. The next prime is 228832913. The reversal of 228832909 is 909238822.

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 228832909 - 2¹ = 228832907 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 (228832907) 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, 97864 + ... + 100174.

It is an arithmetic number, because the mean of its divisors is an integer number (28985544).

Almost surely, 2^228832909 is an apocalyptic number.

It is an amenable number.

228832909 is a deficient number, since it is larger than the sum of its proper divisors (3051443).

228832909 is a wasteful number, since it uses less digits than its factorization.

228832909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 228832909 is about 15127.2241009380. The cubic root of 228832909 is about 611.6544792701.

The spelling of 228832909 in words is "two hundred twenty-eight million, eight hundred thirty-two thousand, nine hundred nine".