52402122 has 48 divisors (see below), whose sum is σ = 117786240. Its totient is φ = 16825536.

The previous prime is 52402117. The next prime is 52402123. The reversal of 52402122 is 22120425.

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 = 52402095 and 52402104.

It is not an unprimeable number, because it can be changed into a prime (52402123) 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, 60718 + ... + 61574.

It is an arithmetic number, because the mean of its divisors is an integer number (2453880).

Almost surely, 2^52402122 is an apocalyptic number.

52402122 is an abundant number, since it is smaller than the sum of its proper divisors (65384118).

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

52402122 is a wasteful number, since it uses less digits than its factorization.

52402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 984 counting only the distinct ones).

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

The square root of 52402122 is about 7238.9309984279. The cubic root of 52402122 is about 374.2107775062.

Adding to 52402122 its reverse (22120425), we get a palindrome (74522547).

The spelling of 52402122 in words is "fifty-two million, four hundred two thousand, one hundred twenty-two".