228106111 has 8 divisors (see below), whose sum is σ = 238472064. Its totient is φ = 217777560.

The previous prime is 228106079. The next prime is 228106127. The reversal of 228106111 is 111601822.

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

It is a cyclic number.

It is not a de Polignac number, because 228106111 - 2⁵ = 228106079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228106211) 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 7 ways as a sum of consecutive naturals, for example, 3516 + ... + 21646.

It is an arithmetic number, because the mean of its divisors is an integer number (29809008).

Almost surely, 2^228106111 is an apocalyptic number.

228106111 is a deficient number, since it is larger than the sum of its proper divisors (10365953).

228106111 is a wasteful number, since it uses less digits than its factorization.

228106111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 228106111 is about 15103.1821481435. The cubic root of 228106111 is about 611.0062322852.

Adding to 228106111 its reverse (111601822), we get a palindrome (339707933).

The spelling of 228106111 in words is "two hundred twenty-eight million, one hundred six thousand, one hundred eleven".