522218382 has 48 divisors (see below), whose sum is σ = 1278915840. Its totient is φ = 141350832.

The previous prime is 522218339. The next prime is 522218429. The reversal of 522218382 is 283812225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41158 + ... + 52329.

It is an arithmetic number, because the mean of its divisors is an integer number (26644080).

Almost surely, 2^522218382 is an apocalyptic number.

522218382 is an abundant number, since it is smaller than the sum of its proper divisors (756697458).

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

522218382 is a wasteful number, since it uses less digits than its factorization.

522218382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93525 (or 93518 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 522218382 is about 22852.0979780851. The cubic root of 522218382 is about 805.2870557864.

The spelling of 522218382 in words is "five hundred twenty-two million, two hundred eighteen thousand, three hundred eighty-two".