522006250000 has 225 divisors, whose sum is σ = 1343246870851. Its totient is φ = 196520000000.

The previous prime is 522006249977. The next prime is 522006250033. The reversal of 522006250000 is 52600225.

The square root of 522006250000 is 722500.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 283181584 + 521723068416 = 16828^2 + 722304^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 30706249992 + ... + 30706250008.

Almost surely, 2^522006250000 is an apocalyptic number.

522006250000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

522006250000 is the 722500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522006250000

522006250000 is an abundant number, since it is smaller than the sum of its proper divisors (821240620851).

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

522006250000 is an frugal number, since it uses more digits than its factorization.

522006250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 522006250000 its reverse (52600225), we get a palindrome (522058850225).

The spelling of 522006250000 in words is "five hundred twenty-two billion, six million, two hundred fifty thousand".