228228166 has 8 divisors (see below), whose sum is σ = 348144840. Its totient is φ = 112179888.

The previous prime is 228228137. The next prime is 228228191. The reversal of 228228166 is 661822822.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966951 + ... + 967186.

It is an arithmetic number, because the mean of its divisors is an integer number (43518105).

Almost surely, 2^228228166 is an apocalyptic number.

228228166 is a deficient number, since it is larger than the sum of its proper divisors (119916674).

228228166 is a wasteful number, since it uses less digits than its factorization.

228228166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934198.

The product of its digits is 36864, while the sum is 37.

The square root of 228228166 is about 15107.2223125232. Note that the first 3 decimals coincide. The cubic root of 228228166 is about 611.1151919091.

It can be divided in two parts, 22822816 and 6, that added together give a palindrome (22822822).

The spelling of 228228166 in words is "two hundred twenty-eight million, two hundred twenty-eight thousand, one hundred sixty-six".