228016152 has 144 divisors (see below), whose sum is σ = 764515440. Its totient is φ = 60113664.

The previous prime is 228016141. The next prime is 228016153. The reversal of 228016152 is 251610822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228016153) 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 35 ways as a sum of consecutive naturals, for example, 83838 + ... + 86514.

It is an arithmetic number, because the mean of its divisors is an integer number (5309135).

Almost surely, 2^228016152 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 228016152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382257720).

228016152 is an abundant number, since it is smaller than the sum of its proper divisors (536499288).

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

228016152 is a wasteful number, since it uses less digits than its factorization.

228016152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 228016152 is about 15100.2037072352. The cubic root of 228016152 is about 610.9259001733.

Adding to 228016152 its reverse (251610822), we get a palindrome (479626974).

The spelling of 228016152 in words is "two hundred twenty-eight million, sixteen thousand, one hundred fifty-two".