52221512205 has 12 divisors (see below), whose sum is σ = 90517287900. Its totient is φ = 27851473152.

The previous prime is 52221512191. The next prime is 52221512207. The reversal of 52221512205 is 50221512225.

It is a happy number.

52221512205 is a `hidden beast` number, since 522 + 2 + 15 + 122 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41491245636 + 10730266569 = 203694^2 + 103587^2 .

It is not a de Polignac number, because 52221512205 - 2¹¹ = 52221510157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221512207) 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 11 ways as a sum of consecutive naturals, for example, 580238980 + ... + 580239069.

It is an arithmetic number, because the mean of its divisors is an integer number (7543107325).

Almost surely, 2^52221512205 is an apocalyptic number.

It is an amenable number.

52221512205 is a deficient number, since it is larger than the sum of its proper divisors (38295775695).

52221512205 is a wasteful number, since it uses less digits than its factorization.

52221512205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160478060 (or 1160478057 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 52221512205 in words is "fifty-two billion, two hundred twenty-one million, five hundred twelve thousand, two hundred five".