52221105 has 20 divisors (see below), whose sum is σ = 93611892. Its totient is φ = 27851040.

The previous prime is 52221079. The next prime is 52221149. The reversal of 52221105 is 50112225.

52221105 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 2 ways, for example, as 34857216 + 17363889 = 5904^2 + 4167^2 .

It is not a de Polignac number, because 52221105 - 2⁶ = 52221041 is a prime.

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 19 ways as a sum of consecutive naturals, for example, 64066 + ... + 64875.

Almost surely, 2^52221105 is an apocalyptic number.

It is an amenable number.

52221105 is a deficient number, since it is larger than the sum of its proper divisors (41390787).

52221105 is a wasteful number, since it uses less digits than its factorization.

52221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128958 (or 128949 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52221105 is about 7226.4171620520. The cubic root of 52221105 is about 373.7793912823.

It can be divided in two parts, 52221 and 105, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 52221105 in words is "fifty-two million, two hundred twenty-one thousand, one hundred five".