122206565 has 16 divisors (see below), whose sum is σ = 158987136. Its totient is φ = 89640000.

The previous prime is 122206561. The next prime is 122206571. The reversal of 122206565 is 565602221.

It is not a de Polignac number, because 122206565 - 2² = 122206561 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3590 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (9936696).

Almost surely, 2^122206565 is an apocalyptic number.

It is an amenable number.

122206565 is a deficient number, since it is larger than the sum of its proper divisors (36780571).

122206565 is a wasteful number, since it uses less digits than its factorization.

122206565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 122206565 is about 11054.7078206527. The cubic root of 122206565 is about 496.2473253287.

Adding to 122206565 its reverse (565602221), we get a palindrome (687808786).

The spelling of 122206565 in words is "one hundred twenty-two million, two hundred six thousand, five hundred sixty-five".