522126444 has 96 divisors (see below), whose sum is σ = 1427360256. Its totient is φ = 145474560.

The previous prime is 522126443. The next prime is 522126481. The reversal of 522126444 is 444621225.

It is not an unprimeable number, because it can be changed into a prime (522126443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635554 + ... + 636374.

It is an arithmetic number, because the mean of its divisors is an integer number (14868336).

Almost surely, 2^522126444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522126444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713680128).

522126444 is an abundant number, since it is smaller than the sum of its proper divisors (905233812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522126444 is a wasteful number, since it uses less digits than its factorization.

522126444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1013 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 522126444 is about 22850.0863018064. The cubic root of 522126444 is about 805.2397953368.

Adding to 522126444 its reverse (444621225), we get a palindrome (966747669).

The spelling of 522126444 in words is "five hundred twenty-two million, one hundred twenty-six thousand, four hundred forty-four".