52402228 has 24 divisors (see below), whose sum is σ = 102211200. Its totient is φ = 23361408.

The previous prime is 52402199. The next prime is 52402237. The reversal of 52402228 is 82220425.

52402228 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 7 ways as a sum of consecutive naturals, for example, 18988 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (4258800).

Almost surely, 2^52402228 is an apocalyptic number.

It is an amenable number.

52402228 is a deficient number, since it is larger than the sum of its proper divisors (49808972).

52402228 is a wasteful number, since it uses less digits than its factorization.

52402228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40599 (or 40597 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 52402228 is about 7238.9383199472. The cubic root of 52402228 is about 374.2110298262.

The spelling of 52402228 in words is "fifty-two million, four hundred two thousand, two hundred twenty-eight".