52220227771 has 4 divisors (see below), whose sum is σ = 52227236200. Its totient is φ = 52213219344.

The previous prime is 52220227769. The next prime is 52220227789. The reversal of 52220227771 is 17772202225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52220227771 - 2¹ = 52220227769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52220227771.

It is not an unprimeable number, because it can be changed into a prime (52220297771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493026 + ... + 3507943.

It is an arithmetic number, because the mean of its divisors is an integer number (13056809050).

Almost surely, 2^52220227771 is an apocalyptic number.

52220227771 is a deficient number, since it is larger than the sum of its proper divisors (7008429).

52220227771 is an equidigital number, since it uses as much as digits as its factorization.

52220227771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008428.

The product of its (nonzero) digits is 54880, while the sum is 37.

Adding to 52220227771 its reverse (17772202225), we get a palindrome (69992429996).

The spelling of 52220227771 in words is "fifty-two billion, two hundred twenty million, two hundred twenty-seven thousand, seven hundred seventy-one".