228482066 has 4 divisors (see below), whose sum is σ = 342723102. Its totient is φ = 114241032.

The previous prime is 228482041. The next prime is 228482081. The reversal of 228482066 is 660284822.

228482066 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.

It can be written as a sum of positive squares in only one way, i.e., 190302025 + 38180041 = 13795^2 + 6179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57120515 + ... + 57120518.

Almost surely, 2^228482066 is an apocalyptic number.

228482066 is a deficient number, since it is larger than the sum of its proper divisors (114241036).

228482066 is a wasteful number, since it uses less digits than its factorization.

228482066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114241035.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 228482066 is about 15115.6232421955. The cubic root of 228482066 is about 611.3417263856.

The spelling of 228482066 in words is "two hundred twenty-eight million, four hundred eighty-two thousand, sixty-six".