228294689 has 8 divisors (see below), whose sum is σ = 262080000. Its totient is φ = 194802336.

The previous prime is 228294679. The next prime is 228294713. The reversal of 228294689 is 986492822.

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 228294689 - 2¹² = 228290593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228294629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71564 + ... + 74685.

It is an arithmetic number, because the mean of its divisors is an integer number (32760000).

Almost surely, 2^228294689 is an apocalyptic number.

It is an amenable number.

228294689 is a deficient number, since it is larger than the sum of its proper divisors (33785311).

228294689 is a wasteful number, since it uses less digits than its factorization.

228294689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146479.

The product of its digits is 995328, while the sum is 50.

The square root of 228294689 is about 15109.4238473874. The cubic root of 228294689 is about 611.1745612491.

The spelling of 228294689 in words is "two hundred twenty-eight million, two hundred ninety-four thousand, six hundred eighty-nine".