228551806 has 8 divisors (see below), whose sum is σ = 391803120. Its totient is φ = 97950768.

The previous prime is 228551801. The next prime is 228551833. The reversal of 228551806 is 608155822.

228551806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8162551 + ... + 8162578.

It is an arithmetic number, because the mean of its divisors is an integer number (48975390).

Almost surely, 2^228551806 is an apocalyptic number.

228551806 is a deficient number, since it is larger than the sum of its proper divisors (163251314).

228551806 is a wasteful number, since it uses less digits than its factorization.

228551806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325138.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 228551806 is about 15117.9299508894. The cubic root of 228551806 is about 611.4039203769.

The spelling of 228551806 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, eight hundred six".