228976215 has 16 divisors (see below), whose sum is σ = 394543968. Its totient is φ = 112726656.

The previous prime is 228976193. The next prime is 228976217. The reversal of 228976215 is 512679822.

It is not a de Polignac number, because 228976215 - 2¹⁰ = 228975191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228976217) 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 15 ways as a sum of consecutive naturals, for example, 586924 + ... + 587313.

It is an arithmetic number, because the mean of its divisors is an integer number (24658998).

Almost surely, 2^228976215 is an apocalyptic number.

228976215 is a deficient number, since it is larger than the sum of its proper divisors (165567753).

228976215 is a wasteful number, since it uses less digits than its factorization.

228976215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174258.

The product of its digits is 120960, while the sum is 42.

The square root of 228976215 is about 15131.9600514937. The cubic root of 228976215 is about 611.7821349555.

The spelling of 228976215 in words is "two hundred twenty-eight million, nine hundred seventy-six thousand, two hundred fifteen".