522400322 has 8 divisors (see below), whose sum is σ = 790924176. Its totient is φ = 258758932.

The previous prime is 522400297. The next prime is 522400339. The reversal of 522400322 is 223004225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 522400294 and 522400303.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1220348 + ... + 1220775.

It is an arithmetic number, because the mean of its divisors is an integer number (98865522).

Almost surely, 2^522400322 is an apocalyptic number.

522400322 is a deficient number, since it is larger than the sum of its proper divisors (268523854).

522400322 is a wasteful number, since it uses less digits than its factorization.

522400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441232.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 522400322 is about 22856.0784475378. The cubic root of 522400322 is about 805.3805651432.

Adding to 522400322 its reverse (223004225), we get a palindrome (745404547).

The spelling of 522400322 in words is "five hundred twenty-two million, four hundred thousand, three hundred twenty-two".