52222120 has 32 divisors (see below), whose sum is σ = 118165320. Its totient is φ = 20770560.

The previous prime is 52222117. The next prime is 52222129. The reversal of 52222120 is 2122225.

It can be written as a sum of positive squares in 4 ways, for example, as 34363044 + 17859076 = 5862^2 + 4226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52222094 and 52222103.

It is not an unprimeable number, because it can be changed into a prime (52222129) 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, 3634 + ... + 10846.

Almost surely, 2^52222120 is an apocalyptic number.

It is an amenable number.

52222120 is an abundant number, since it is smaller than the sum of its proper divisors (65943200).

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

52222120 is a wasteful number, since it uses less digits than its factorization.

52222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405 (or 7401 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52222120 is about 7226.4873901502. The cubic root of 52222120 is about 373.7818129317.

Adding to 52222120 its reverse (2122225), we get a palindrome (54344345).

The spelling of 52222120 in words is "fifty-two million, two hundred twenty-two thousand, one hundred twenty".