52240222252 has 6 divisors (see below), whose sum is σ = 91420388948. Its totient is φ = 26120111124.

The previous prime is 52240222213. The next prime is 52240222273. The reversal of 52240222252 is 25222204225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52240222252.

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 as a sum of consecutive naturals, namely, 6530027778 + ... + 6530027785.

Almost surely, 2^52240222252 is an apocalyptic number.

It is an amenable number.

52240222252 is a deficient number, since it is larger than the sum of its proper divisors (39180166696).

52240222252 is a wasteful number, since it uses less digits than its factorization.

52240222252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060055567 (or 13060055565 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 52240222252 its reverse (25222204225), we get a palindrome (77462426477).

The spelling of 52240222252 in words is "fifty-two billion, two hundred forty million, two hundred twenty-two thousand, two hundred fifty-two".