228559715 has 8 divisors (see below), whose sum is σ = 278029248. Its totient is φ = 180342720.

The previous prime is 228559711. The next prime is 228559729. The reversal of 228559715 is 517955822.

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

It is not a de Polignac number, because 228559715 - 2² = 228559711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228559711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312731 + ... + 313460.

It is an arithmetic number, because the mean of its divisors is an integer number (34753656).

Almost surely, 2^228559715 is an apocalyptic number.

228559715 is a deficient number, since it is larger than the sum of its proper divisors (49469533).

228559715 is an equidigital number, since it uses as much as digits as its factorization.

228559715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626269.

The product of its digits is 252000, while the sum is 44.

The square root of 228559715 is about 15118.1915254438. The cubic root of 228559715 is about 611.4109728084.

The spelling of 228559715 in words is "two hundred twenty-eight million, five hundred fifty-nine thousand, seven hundred fifteen".