228260564 has 72 divisors (see below), whose sum is σ = 500472000. Its totient is φ = 88922880.

The previous prime is 228260507. The next prime is 228260567. The reversal of 228260564 is 465062822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228260567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457187 + ... + 457685.

It is an arithmetic number, because the mean of its divisors is an integer number (6951000).

Almost surely, 2^228260564 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 228260564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250236000).

228260564 is an abundant number, since it is smaller than the sum of its proper divisors (272211436).

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

228260564 is a wasteful number, since it uses less digits than its factorization.

228260564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 228260564 is about 15108.2945430647. The cubic root of 228260564 is about 611.1441073778.

The spelling of 228260564 in words is "two hundred twenty-eight million, two hundred sixty thousand, five hundred sixty-four".