522199216 has 160 divisors (see below), whose sum is σ = 1324486656. Its totient is φ = 195148800.

The previous prime is 522199213. The next prime is 522199303. The reversal of 522199216 is 612991225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522199213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4621176 + ... + 4621288.

Almost surely, 2^522199216 is an apocalyptic number.

522199216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522199216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662243328).

522199216 is an abundant number, since it is smaller than the sum of its proper divisors (802287440).

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

522199216 is a wasteful number, since it uses less digits than its factorization.

522199216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 164 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 522199216 is about 22851.6786254314. The cubic root of 522199216 is about 805.2772040200.

The spelling of 522199216 in words is "five hundred twenty-two million, one hundred ninety-nine thousand, two hundred sixteen".