565242220 has 24 divisors (see below), whose sum is σ = 1225300608. Its totient is φ = 218803200.

The previous prime is 565242199. The next prime is 565242221. The reversal of 565242220 is 22242565.

It is not an unprimeable number, because it can be changed into a prime (565242221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455221 + ... + 456460.

It is an arithmetic number, because the mean of its divisors is an integer number (51054192).

Almost surely, 2^565242220 is an apocalyptic number.

It is an amenable number.

565242220 is an abundant number, since it is smaller than the sum of its proper divisors (660058388).

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

565242220 is a wasteful number, since it uses less digits than its factorization.

565242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911721 (or 911719 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 565242220 is about 23774.8232380390. The cubic root of 565242220 is about 826.8210621118.

Adding to 565242220 its reverse (22242565), we get a palindrome (587484785).

The spelling of 565242220 in words is "five hundred sixty-five million, two hundred forty-two thousand, two hundred twenty".