228133826 has 8 divisors (see below), whose sum is σ = 357079104. Its totient is φ = 109107460.

The previous prime is 228133819. The next prime is 228133831. The reversal of 228133826 is 628331822.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2479670 + ... + 2479761.

It is an arithmetic number, because the mean of its divisors is an integer number (44634888).

Almost surely, 2^228133826 is an apocalyptic number.

228133826 is a deficient number, since it is larger than the sum of its proper divisors (128945278).

228133826 is a wasteful number, since it uses less digits than its factorization.

228133826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959456.

The product of its digits is 27648, while the sum is 35.

The square root of 228133826 is about 15104.0996421501. The cubic root of 228133826 is about 611.0309771314.

The spelling of 228133826 in words is "two hundred twenty-eight million, one hundred thirty-three thousand, eight hundred twenty-six".