522236444 has 12 divisors (see below), whose sum is σ = 914850384. Its totient is φ = 260850624.

The previous prime is 522236443. The next prime is 522236467. The reversal of 522236444 is 444632225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 522236444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522236443) 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, 62477 + ... + 70340.

It is an arithmetic number, because the mean of its divisors is an integer number (76237532).

Almost surely, 2^522236444 is an apocalyptic number.

It is an amenable number.

522236444 is a deficient number, since it is larger than the sum of its proper divisors (392613940).

522236444 is a wasteful number, since it uses less digits than its factorization.

522236444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133804 (or 133802 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 522236444 is about 22852.4931681425. The cubic root of 522236444 is about 805.2963398507.

Adding to 522236444 its reverse (444632225), we get a palindrome (966868669).

The spelling of 522236444 in words is "five hundred twenty-two million, two hundred thirty-six thousand, four hundred forty-four".