228524544 has 160 divisors (see below), whose sum is σ = 690074880. Its totient is φ = 74649600.

The previous prime is 228524539. The next prime is 228524551. The reversal of 228524544 is 445425822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228524499 and 228524508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843129 + ... + 843399.

It is an arithmetic number, because the mean of its divisors is an integer number (4312968).

Almost surely, 2^228524544 is an apocalyptic number.

228524544 is a gapful number since it is divisible by the number (24) 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 228524544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345037440).

228524544 is an abundant number, since it is smaller than the sum of its proper divisors (461550336).

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

228524544 is an equidigital number, since it uses as much as digits as its factorization.

228524544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 337 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

The square root of 228524544 is about 15117.0282793941. The cubic root of 228524544 is about 611.3796096867.

The spelling of 228524544 in words is "two hundred twenty-eight million, five hundred twenty-four thousand, five hundred forty-four".