228132678 has 32 divisors (see below), whose sum is σ = 461164032. Its totient is φ = 75232800.

The previous prime is 228132659. The next prime is 228132679. The reversal of 228132678 is 876231822.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228132679) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 280893 + ... + 281703.

It is an arithmetic number, because the mean of its divisors is an integer number (14411376).

Almost surely, 2^228132678 is an apocalyptic number.

228132678 is an abundant number, since it is smaller than the sum of its proper divisors (233031354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228132678 is a wasteful number, since it uses less digits than its factorization.

228132678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its digits is 64512, while the sum is 39.

The square root of 228132678 is about 15104.0616391751. The cubic root of 228132678 is about 611.0299521998.

The spelling of 228132678 in words is "two hundred twenty-eight million, one hundred thirty-two thousand, six hundred seventy-eight".