228458384 has 120 divisors (see below), whose sum is σ = 572508000. Its totient is φ = 87306240.

The previous prime is 228458353. The next prime is 228458453. The reversal of 228458384 is 483854822.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508592 + ... + 509040.

It is an arithmetic number, because the mean of its divisors is an integer number (4770900).

Almost surely, 2^228458384 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 228458384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286254000).

228458384 is an abundant number, since it is smaller than the sum of its proper divisors (344049616).

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

228458384 is a wasteful number, since it uses less digits than its factorization.

228458384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 528 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 228458384 is about 15114.8398602168. The cubic root of 228458384 is about 611.3206039473.

The spelling of 228458384 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, three hundred eighty-four".