228758158 has 4 divisors (see below), whose sum is σ = 343137240. Its totient is φ = 114379078.

The previous prime is 228758143. The next prime is 228758183. The reversal of 228758158 is 851857822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57189538 + ... + 57189541.

It is an arithmetic number, because the mean of its divisors is an integer number (85784310).

Almost surely, 2^228758158 is an apocalyptic number.

228758158 is a deficient number, since it is larger than the sum of its proper divisors (114379082).

228758158 is a wasteful number, since it uses less digits than its factorization.

228758158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114379081.

The product of its digits is 358400, while the sum is 46.

The square root of 228758158 is about 15124.7531550105. The cubic root of 228758158 is about 611.5878706055.

The spelling of 228758158 in words is "two hundred twenty-eight million, seven hundred fifty-eight thousand, one hundred fifty-eight".