228268152 has 128 divisors (see below), whose sum is σ = 728985600. Its totient is φ = 64831104.

The previous prime is 228268151. The next prime is 228268219. The reversal of 228268152 is 251862822.

228268152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (228268151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336838 + ... + 337514.

It is an arithmetic number, because the mean of its divisors is an integer number (5695200).

Almost surely, 2^228268152 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 228268152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364492800).

228268152 is an abundant number, since it is smaller than the sum of its proper divisors (500717448).

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

228268152 is a wasteful number, since it uses less digits than its factorization.

228268152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 912 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 228268152 is about 15108.5456613137. The cubic root of 228268152 is about 611.1508793318.

The spelling of 228268152 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, one hundred fifty-two".