52222312 has 8 divisors (see below), whose sum is σ = 97916850. Its totient is φ = 26111152.

The previous prime is 52222309. The next prime is 52222327. The reversal of 52222312 is 21322225.

52222312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46867716 + 5354596 = 6846^2 + 2314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 52222312.

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, 3263887 + ... + 3263902.

Almost surely, 2^52222312 is an apocalyptic number.

It is an amenable number.

52222312 is a deficient number, since it is larger than the sum of its proper divisors (45694538).

52222312 is a wasteful number, since it uses less digits than its factorization.

52222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527795 (or 6527791 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 52222312 is about 7226.5006746004. The cubic root of 52222312 is about 373.7822710136.

Adding to 52222312 its reverse (21322225), we get a palindrome (73544537).

The spelling of 52222312 in words is "fifty-two million, two hundred twenty-two thousand, three hundred twelve".