220522065 has 16 divisors (see below), whose sum is σ = 364217856. Its totient is φ = 113817600.

The previous prime is 220522051. The next prime is 220522069. The reversal of 220522065 is 560225022.

It is not a de Polignac number, because 220522065 - 2¹³ = 220513873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220522069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236656 + ... + 237585.

It is an arithmetic number, because the mean of its divisors is an integer number (22763616).

Almost surely, 2^220522065 is an apocalyptic number.

It is an amenable number.

220522065 is a deficient number, since it is larger than the sum of its proper divisors (143695791).

220522065 is a wasteful number, since it uses less digits than its factorization.

220522065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474280.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 220522065 is about 14849.9853535281. The cubic root of 220522065 is about 604.1582127606.

Adding to 220522065 its reverse (560225022), we get a palindrome (780747087).

The spelling of 220522065 in words is "two hundred twenty million, five hundred twenty-two thousand, sixty-five".