228208514 has 4 divisors (see below), whose sum is σ = 342312774. Its totient is φ = 114104256.

The previous prime is 228208469. The next prime is 228208517. The reversal of 228208514 is 415802822.

228208514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415802822 = 2 ⋅207901411.

It can be written as a sum of positive squares in only one way, i.e., 218064289 + 10144225 = 14767^2 + 3185^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228208517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57052127 + ... + 57052130.

Almost surely, 2^228208514 is an apocalyptic number.

228208514 is a deficient number, since it is larger than the sum of its proper divisors (114104260).

228208514 is a wasteful number, since it uses less digits than its factorization.

228208514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114104259.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 228208514 is about 15106.5718811384. The cubic root of 228208514 is about 611.0976510118.

The spelling of 228208514 in words is "two hundred twenty-eight million, two hundred eight thousand, five hundred fourteen".