522148211 has 4 divisors (see below), whose sum is σ = 562313472. Its totient is φ = 481982952.

The previous prime is 522148189. The next prime is 522148241. The reversal of 522148211 is 112841225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522148211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522148241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20082611 + ... + 20082636.

It is an arithmetic number, because the mean of its divisors is an integer number (140578368).

Almost surely, 2^522148211 is an apocalyptic number.

522148211 is a deficient number, since it is larger than the sum of its proper divisors (40165261).

522148211 is a wasteful number, since it uses less digits than its factorization.

522148211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40165260.

The product of its digits is 1280, while the sum is 26.

The square root of 522148211 is about 22850.5625970128. The cubic root of 522148211 is about 805.2509850982.

Adding to 522148211 its reverse (112841225), we get a palindrome (634989436).

The spelling of 522148211 in words is "five hundred twenty-two million, one hundred forty-eight thousand, two hundred eleven".