228808042 has 4 divisors (see below), whose sum is σ = 343212066. Its totient is φ = 114404020.

The previous prime is 228808033. The next prime is 228808067. The reversal of 228808042 is 240808822.

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., 158231241 + 70576801 = 12579^2 + 8401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228807989 and 228808007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57202009 + ... + 57202012.

Almost surely, 2^228808042 is an apocalyptic number.

228808042 is a deficient number, since it is larger than the sum of its proper divisors (114404024).

228808042 is a wasteful number, since it uses less digits than its factorization.

228808042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114404023.

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 228808042 is about 15126.4021498835. The cubic root of 228808042 is about 611.6323225459.

The spelling of 228808042 in words is "two hundred twenty-eight million, eight hundred eight thousand, forty-two".