228412 has 12 divisors (see below), whose sum is σ = 423360. Its totient is φ = 107456.

The previous prime is 228409. The next prime is 228419. The reversal of 228412 is 214822.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 228412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228419) 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, 1612 + ... + 1747.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2²²⁸⁴¹² is an apocalyptic number.

It is an amenable number.

228412 is a deficient number, since it is larger than the sum of its proper divisors (194948).

228412 is a wasteful number, since it uses less digits than its factorization.

228412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380 (or 3378 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 228412 is about 477.9246802583. The cubic root of 228412 is about 61.1279228922.

The spelling of 228412 in words is "two hundred twenty-eight thousand, four hundred twelve".