522213263 has 16 divisors (see below), whose sum is σ = 617652000. Its totient is φ = 435262080.

The previous prime is 522213257. The next prime is 522213277. The reversal of 522213263 is 362312225.

It is not a de Polignac number, because 522213263 - 2⁸ = 522213007 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 (522213283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9053 + ... + 33561.

It is an arithmetic number, because the mean of its divisors is an integer number (38603250).

Almost surely, 2^522213263 is an apocalyptic number.

522213263 is a deficient number, since it is larger than the sum of its proper divisors (95438737).

522213263 is a wasteful number, since it uses less digits than its factorization.

522213263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24682.

The product of its digits is 4320, while the sum is 26.

The square root of 522213263 is about 22851.9859749651. The cubic root of 522213263 is about 805.2844245258.

Adding to 522213263 its reverse (362312225), we get a palindrome (884525488).

The spelling of 522213263 in words is "five hundred twenty-two million, two hundred thirteen thousand, two hundred sixty-three".