522212071 has 4 divisors (see below), whose sum is σ = 525717000. Its totient is φ = 518707144.

The previous prime is 522212063. The next prime is 522212083. The reversal of 522212071 is 170212225.

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

It is not a de Polignac number, because 522212071 - 2³ = 522212063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522212051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752241 + ... + 1752538.

It is an arithmetic number, because the mean of its divisors is an integer number (131429250).

Almost surely, 2^522212071 is an apocalyptic number.

522212071 is a deficient number, since it is larger than the sum of its proper divisors (3504929).

522212071 is a wasteful number, since it uses less digits than its factorization.

522212071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504928.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 522212071 is about 22851.9598940660. The cubic root of 522212071 is about 805.2838118133.

Adding to 522212071 its reverse (170212225), we get a palindrome (692424296).

The spelling of 522212071 in words is "five hundred twenty-two million, two hundred twelve thousand, seventy-one".