228122 has 8 divisors (see below), whose sum is σ = 344736. Its totient is φ = 113212.

The previous prime is 228113. The next prime is 228127. The reversal of 228122 is 221822.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228122.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228122.

It is not an unprimeable number, because it can be changed into a prime (228127) 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, 8 + ... + 675.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2²²⁸¹²² is an apocalyptic number.

228122 is a deficient number, since it is larger than the sum of its proper divisors (116614).

228122 is a wasteful number, since it uses less digits than its factorization.

228122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 128, while the sum is 17.

The square root of 228122 is about 477.6211888097. The cubic root of 228122 is about 61.1020418742.

Adding to 228122 its reverse (221822), we get a palindrome (449944).

The spelling of 228122 in words is "two hundred twenty-eight thousand, one hundred twenty-two".