228225024 has 156 divisors (see below), whose sum is σ = 679787472. Its totient is φ = 73728000.

The previous prime is 228225001. The next prime is 228225029. The reversal of 228225024 is 420522822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228225029) 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, 1511349 + ... + 1511499.

It is an arithmetic number, because the mean of its divisors is an integer number (4357612).

Almost surely, 2^228225024 is an apocalyptic number.

228225024 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 228225024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339893736).

228225024 is an abundant number, since it is smaller than the sum of its proper divisors (451562448).

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

228225024 is a wasteful number, since it uses less digits than its factorization.

228225024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 228225024 is about 15107.1183221685. The cubic root of 228225024 is about 611.1123875039.

Adding to 228225024 its reverse (420522822), we get a palindrome (648747846).

The spelling of 228225024 in words is "two hundred twenty-eight million, two hundred twenty-five thousand, twenty-four".