228555842 has 4 divisors (see below), whose sum is σ = 342833766. Its totient is φ = 114277920.

The previous prime is 228555841. The next prime is 228555917. The reversal of 228555842 is 248555822.

228555842 is digitally balanced in base 3, 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., 197430601 + 31125241 = 14051^2 + 5579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228555842.

It is not an unprimeable number, because it can be changed into a prime (228555841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57138959 + ... + 57138962.

Almost surely, 2^228555842 is an apocalyptic number.

228555842 is a deficient number, since it is larger than the sum of its proper divisors (114277924).

228555842 is a wasteful number, since it uses less digits than its factorization.

228555842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114277923.

The product of its digits is 256000, while the sum is 41.

The square root of 228555842 is about 15118.0634341836. The cubic root of 228555842 is about 611.4075192863.

The spelling of 228555842 in words is "two hundred twenty-eight million, five hundred fifty-five thousand, eight hundred forty-two".