522440052 has 48 divisors (see below), whose sum is σ = 1240008000. Its totient is φ = 171175680.

The previous prime is 522439997. The next prime is 522440053. The reversal of 522440052 is 250044225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522440053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169824 + ... + 172872.

It is an arithmetic number, because the mean of its divisors is an integer number (25833500).

Almost surely, 2^522440052 is an apocalyptic number.

It is an amenable number.

522440052 is an abundant number, since it is smaller than the sum of its proper divisors (717567948).

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

522440052 is a wasteful number, since it uses less digits than its factorization.

522440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3294 counting only the distinct ones).

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

The square root of 522440052 is about 22856.9475652371. The cubic root of 522440052 is about 805.4009817710.

Adding to 522440052 its reverse (250044225), we get a palindrome (772484277).

The spelling of 522440052 in words is "five hundred twenty-two million, four hundred forty thousand, fifty-two".