52222260 has 72 divisors (see below), whose sum is σ = 154387296. Its totient is φ = 13187520.

The previous prime is 52222237. The next prime is 52222271. The reversal of 52222260 is 6222225.

52222260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20455 + ... + 22865.

It is an arithmetic number, because the mean of its divisors is an integer number (2144268).

Almost surely, 2^52222260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52222260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77193648).

52222260 is an abundant number, since it is smaller than the sum of its proper divisors (102165036).

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

52222260 is a wasteful number, since it uses less digits than its factorization.

52222260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52222260 is about 7226.4970767309. The cubic root of 52222260 is about 373.7821469499.

Adding to 52222260 its reverse (6222225), we get a palindrome (58444485).

The spelling of 52222260 in words is "fifty-two million, two hundred twenty-two thousand, two hundred sixty".