522502224 has 80 divisors (see below), whose sum is σ = 1413873792. Its totient is φ = 165958144.

The previous prime is 522502217. The next prime is 522502229. The reversal of 522502224 is 422205225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 522502194 and 522502203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522502229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349222 + ... + 350714.

Almost surely, 2^522502224 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 522502224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706936896).

522502224 is an abundant number, since it is smaller than the sum of its proper divisors (891371568).

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

522502224 is a wasteful number, since it uses less digits than its factorization.

522502224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 522502224 is about 22858.3075488978. The cubic root of 522502224 is about 805.4329289156.

Adding to 522502224 its reverse (422205225), we get a palindrome (944707449).

The spelling of 522502224 in words is "five hundred twenty-two million, five hundred two thousand, two hundred twenty-four".