228298752 has 156 divisors (see below), whose sum is σ = 720676944. Its totient is φ = 69058560.

The previous prime is 228298751. The next prime is 228298771. The reversal of 228298752 is 257892822.

It is a junction number, because it is equal to n+sod(n) for n = 228298698 and 228298707.

It is not an unprimeable number, because it can be changed into a prime (228298751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405223 + ... + 405785.

It is an arithmetic number, because the mean of its divisors is an integer number (4619724).

Almost surely, 2^228298752 is an apocalyptic number.

228298752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228298752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360338472).

228298752 is an abundant number, since it is smaller than the sum of its proper divisors (492378192).

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

228298752 is a wasteful number, since it uses less digits than its factorization.

228298752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 579 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 228298752 is about 15109.5582993018. The cubic root of 228298752 is about 611.1781869540.

The spelling of 228298752 in words is "two hundred twenty-eight million, two hundred ninety-eight thousand, seven hundred fifty-two".