228364815 has 32 divisors (see below), whose sum is σ = 435741696. Its totient is φ = 99855360.

The previous prime is 228364813. The next prime is 228364849. The reversal of 228364815 is 518463822.

228364815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228364815 - 2¹ = 228364813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228364811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44866 + ... + 49695.

It is an arithmetic number, because the mean of its divisors is an integer number (13616928).

Almost surely, 2^228364815 is an apocalyptic number.

228364815 is a deficient number, since it is larger than the sum of its proper divisors (207376881).

228364815 is a wasteful number, since it uses less digits than its factorization.

228364815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94599.

The product of its digits is 92160, while the sum is 39.

The square root of 228364815 is about 15111.7442739083. The cubic root of 228364815 is about 611.2371336488.

The spelling of 228364815 in words is "two hundred twenty-eight million, three hundred sixty-four thousand, eight hundred fifteen".