565026228 has 72 divisors (see below), whose sum is σ = 1541030400. Its totient is φ = 173526336.

The previous prime is 565026193. The next prime is 565026239. The reversal of 565026228 is 822620565.

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 = 565026192 and 565026201.

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, 391933 + ... + 393371.

It is an arithmetic number, because the mean of its divisors is an integer number (21403200).

Almost surely, 2^565026228 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 565026228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770515200).

565026228 is an abundant number, since it is smaller than the sum of its proper divisors (976004172).

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

565026228 is a wasteful number, since it uses less digits than its factorization.

565026228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 565026228 is about 23770.2803517333. The cubic root of 565026228 is about 826.7157329386.

It can be divided in two parts, 5650 and 26228, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 565026228 in words is "five hundred sixty-five million, twenty-six thousand, two hundred twenty-eight".