65506122 has 24 divisors (see below), whose sum is σ = 154833120. Its totient is φ = 19850280.

The previous prime is 65506121. The next prime is 65506153. The reversal of 65506122 is 22160556.

65506122 is a `hidden beast` number, since 655 + 0 + 6 + 1 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (65506121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165222 + ... + 165617.

It is an arithmetic number, because the mean of its divisors is an integer number (6451380).

Almost surely, 2^65506122 is an apocalyptic number.

65506122 is an abundant number, since it is smaller than the sum of its proper divisors (89326998).

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

65506122 is a wasteful number, since it uses less digits than its factorization.

65506122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330858 (or 330855 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 65506122 is about 8093.5852377052. The cubic root of 65506122 is about 403.1134572502.

Adding to 65506122 its reverse (22160556), we get a palindrome (87666678).

The spelling of 65506122 in words is "sixty-five million, five hundred six thousand, one hundred twenty-two".