228828426 has 32 divisors (see below), whose sum is σ = 478656000. Its totient is φ = 72791664.

The previous prime is 228828407. The next prime is 228828433. The reversal of 228828426 is 624828822.

It is a Curzon 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 in 15 ways as a sum of consecutive naturals, for example, 67201 + ... + 70523.

It is an arithmetic number, because the mean of its divisors is an integer number (14958000).

Almost surely, 2^228828426 is an apocalyptic number.

228828426 is an abundant number, since it is smaller than the sum of its proper divisors (249827574).

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

228828426 is a wasteful number, since it uses less digits than its factorization.

228828426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850.

The product of its digits is 196608, while the sum is 42.

The square root of 228828426 is about 15127.0759236542. The cubic root of 228828426 is about 611.6504849947.

The spelling of 228828426 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, four hundred twenty-six".