522265505 has 4 divisors (see below), whose sum is σ = 626718612. Its totient is φ = 417812400.

The previous prime is 522265501. The next prime is 522265507. The reversal of 522265505 is 505562225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300017041 + 222248464 = 17321^2 + 14908^2 .

It is not a de Polignac number, because 522265505 - 2² = 522265501 is a prime.

It is a super-2 number, since 2×522265505² = 545522515425810050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522265501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52226546 + ... + 52226555.

It is an arithmetic number, because the mean of its divisors is an integer number (156679653).

Almost surely, 2^522265505 is an apocalyptic number.

It is an amenable number.

522265505 is a deficient number, since it is larger than the sum of its proper divisors (104453107).

522265505 is a wasteful number, since it uses less digits than its factorization.

522265505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104453106.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 522265505 is about 22853.1289980169. The cubic root of 522265505 is about 805.3112770712.

The spelling of 522265505 in words is "five hundred twenty-two million, two hundred sixty-five thousand, five hundred five".