522230000 has 50 divisors (see below), whose sum is σ = 1264395264. Its totient is φ = 208888000.

The previous prime is 522229993. The next prime is 522230003. The reversal of 522230000 is 32225.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522230003) 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 9 ways as a sum of consecutive naturals, for example, 16112 + ... + 36111.

Almost surely, 2^522230000 is an apocalyptic number.

522230000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

522230000 is an abundant number, since it is smaller than the sum of its proper divisors (742165264).

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

522230000 is an equidigital number, since it uses as much as digits as its factorization.

522230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52251 (or 52230 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 522230000 is about 22852.3521765266. The cubic root of 522230000 is about 805.2930275892.

Adding to 522230000 its reverse (32225), we get a palindrome (522262225).

The spelling of 522230000 in words is "five hundred twenty-two million, two hundred thirty thousand".