228211882 has 16 divisors (see below), whose sum is σ = 352540800. Its totient is φ = 110747520.

The previous prime is 228211783. The next prime is 228211889. The reversal of 228211882 is 288112822.

It is not an unprimeable number, because it can be changed into a prime (228211889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2919 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (22033800).

Almost surely, 2^228211882 is an apocalyptic number.

228211882 is a deficient number, since it is larger than the sum of its proper divisors (124328918).

228211882 is a wasteful number, since it uses less digits than its factorization.

228211882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24621.

The product of its digits is 8192, while the sum is 34.

The square root of 228211882 is about 15106.6833553894. The cubic root of 228211882 is about 611.1006572782.

It can be divided in two parts, 228211 and 882, that multiplied together give a palindrome (201282102).

The spelling of 228211882 in words is "two hundred twenty-eight million, two hundred eleven thousand, eight hundred eighty-two".