52240122 has 48 divisors (see below), whose sum is σ = 123963840. Its totient is φ = 15768000.

The previous prime is 52240121. The next prime is 52240163. The reversal of 52240122 is 22104225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 52240095 and 52240104.

It is not an unprimeable number, because it can be changed into a prime (52240121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86622 + ... + 87222.

It is an arithmetic number, because the mean of its divisors is an integer number (2582580).

Almost surely, 2^52240122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52240122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61981920).

52240122 is an abundant number, since it is smaller than the sum of its proper divisors (71723718).

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

52240122 is a wasteful number, since it uses less digits than its factorization.

52240122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52240122 is about 7227.7328395563. The cubic root of 52240122 is about 373.8247579976.

Adding to 52240122 its reverse (22104225), we get a palindrome (74344347).

The spelling of 52240122 in words is "fifty-two million, two hundred forty thousand, one hundred twenty-two".