52220822965 has 8 divisors (see below), whose sum is σ = 63692282808. Its totient is φ = 41091794880.

The previous prime is 52220822963. The next prime is 52220822981. The reversal of 52220822965 is 56922802225.

It can be written as a sum of positive squares in 4 ways, for example, as 51065316 + 52169757649 = 7146^2 + 228407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52220822965 - 2¹ = 52220822963 is a prime.

It is a super-2 number, since 2×52220822965² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220822963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85607602 + ... + 85608211.

It is an arithmetic number, because the mean of its divisors is an integer number (7961535351).

Almost surely, 2^52220822965 is an apocalyptic number.

It is an amenable number.

52220822965 is a deficient number, since it is larger than the sum of its proper divisors (11471459843).

52220822965 is a wasteful number, since it uses less digits than its factorization.

52220822965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171215879.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 52220822965 in words is "fifty-two billion, two hundred twenty million, eight hundred twenty-two thousand, nine hundred sixty-five".