228078715 has 16 divisors (see below), whose sum is σ = 291316608. Its totient is φ = 170827776.

The previous prime is 228078713. The next prime is 228078737. The reversal of 228078715 is 517870822.

It is a cyclic number.

It is not a de Polignac number, because 228078715 - 2¹ = 228078713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228078713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9454 + ... + 23356.

It is an arithmetic number, because the mean of its divisors is an integer number (18207288).

Almost surely, 2^228078715 is an apocalyptic number.

228078715 is a deficient number, since it is larger than the sum of its proper divisors (63237893).

228078715 is a wasteful number, since it uses less digits than its factorization.

228078715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 228078715 is about 15102.2751597235. The cubic root of 228078715 is about 610.9817702825.

The spelling of 228078715 in words is "two hundred twenty-eight million, seventy-eight thousand, seven hundred fifteen".