522450216 has 64 divisors (see below), whose sum is σ = 1453142400. Its totient is φ = 173923200.

The previous prime is 522450211. The next prime is 522450217. The reversal of 522450216 is 612054225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 522450216.

It is not an unprimeable number, because it can be changed into a prime (522450211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284421 + ... + 286251.

It is an arithmetic number, because the mean of its divisors is an integer number (22705350).

Almost surely, 2^522450216 is an apocalyptic number.

It is an amenable number.

522450216 is an abundant number, since it is smaller than the sum of its proper divisors (930692184).

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

522450216 is a wasteful number, since it uses less digits than its factorization.

522450216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 522450216 is about 22857.1699035554. The cubic root of 522450216 is about 805.4062047259.

The spelling of 522450216 in words is "five hundred twenty-two million, four hundred fifty thousand, two hundred sixteen".