522243011 has 4 divisors (see below), whose sum is σ = 528111000. Its totient is φ = 516375024.

The previous prime is 522242999. The next prime is 522243119. The reversal of 522243011 is 110342225.

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-522243011 is a prime.

It is a super-2 number, since 2×522243011² = 545475525076692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522243811) 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, 2933861 + ... + 2934038.

It is an arithmetic number, because the mean of its divisors is an integer number (132027750).

Almost surely, 2^522243011 is an apocalyptic number.

522243011 is a deficient number, since it is larger than the sum of its proper divisors (5867989).

522243011 is an equidigital number, since it uses as much as digits as its factorization.

522243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867988.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 522243011 is about 22852.6368500442. The cubic root of 522243011 is about 805.2997153070.

Adding to 522243011 its reverse (110342225), we get a palindrome (632585236).

The spelling of 522243011 in words is "five hundred twenty-two million, two hundred forty-three thousand, eleven".