228153816 has 96 divisors (see below), whose sum is σ = 677214720. Its totient is φ = 68817600.

The previous prime is 228153811. The next prime is 228153823. The reversal of 228153816 is 618351822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228153811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214101 + ... + 215163.

It is an arithmetic number, because the mean of its divisors is an integer number (7054320).

Almost surely, 2^228153816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228153816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338607360).

228153816 is an abundant number, since it is smaller than the sum of its proper divisors (449060904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228153816 is a wasteful number, since it uses less digits than its factorization.

228153816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1350 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 228153816 is about 15104.7613685222. The cubic root of 228153816 is about 611.0488236044.

The spelling of 228153816 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, eight hundred sixteen".