52022181222 has 288 divisors, whose sum is σ = 137135980800. Its totient is φ = 14182439040.

The previous prime is 52022181221. The next prime is 52022181293. The reversal of 52022181222 is 22218122025.

52022181222 is a `hidden beast` number, since 520 + 2 + 2 + 18 + 122 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52022181221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 80404903 + ... + 80405549.

It is an arithmetic number, because the mean of its divisors is an integer number (476166600).

Almost surely, 2^52022181222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52022181222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68567990400).

52022181222 is an abundant number, since it is smaller than the sum of its proper divisors (85113799578).

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

52022181222 is a wasteful number, since it uses less digits than its factorization.

52022181222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 52022181222 in words is "fifty-two billion, twenty-two million, one hundred eighty-one thousand, two hundred twenty-two".