228006812 has 24 divisors (see below), whose sum is σ = 445412352. Its totient is φ = 101228400.

The previous prime is 228006809. The next prime is 228006817. The reversal of 228006812 is 218600822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228006817) 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, 58364 + ... + 62147.

It is an arithmetic number, because the mean of its divisors is an integer number (18558848).

Almost surely, 2^228006812 is an apocalyptic number.

228006812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228006812 is a deficient number, since it is larger than the sum of its proper divisors (217405540).

228006812 is a wasteful number, since it uses less digits than its factorization.

228006812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120569 (or 120567 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 228006812 is about 15099.8944367171. The cubic root of 228006812 is about 610.9175584750.

The spelling of 228006812 in words is "two hundred twenty-eight million, six thousand, eight hundred twelve".