228395026 has 8 divisors (see below), whose sum is σ = 343407564. Its totient is φ = 113925840.

The previous prime is 228395021. The next prime is 228395081. The reversal of 228395026 is 620593822.

It can be written as a sum of positive squares in 2 ways, for example, as 194184225 + 34210801 = 13935^2 + 5849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (228395021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134785 + ... + 136468.

Almost surely, 2^228395026 is an apocalyptic number.

228395026 is a deficient number, since it is larger than the sum of its proper divisors (115012538).

228395026 is a wasteful number, since it uses less digits than its factorization.

228395026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271676.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 228395026 is about 15112.7438276443. The cubic root of 228395026 is about 611.2640865324.

The spelling of 228395026 in words is "two hundred twenty-eight million, three hundred ninety-five thousand, twenty-six".