228606818 has 8 divisors (see below), whose sum is σ = 374083920. Its totient is φ = 103912180.

The previous prime is 228606809. The next prime is 228606839. The reversal of 228606818 is 818606822.

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

It is a super-2 number, since 2×228606818² = 104522154472170248, which contains 22 as substring.

It is an unprimeable number.

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, 5195588 + ... + 5195631.

It is an arithmetic number, because the mean of its divisors is an integer number (46760490).

Almost surely, 2^228606818 is an apocalyptic number.

228606818 is a deficient number, since it is larger than the sum of its proper divisors (145477102).

228606818 is a wasteful number, since it uses less digits than its factorization.

228606818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391232.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 228606818 is about 15119.7492704079. The cubic root of 228606818 is about 611.4529710419.

The spelling of 228606818 in words is "two hundred twenty-eight million, six hundred six thousand, eight hundred eighteen".