522247212 has 36 divisors (see below), whose sum is σ = 1350829480. Its totient is φ = 170033472.

The previous prime is 522247207. The next prime is 522247247. The reversal of 522247212 is 212742225.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167137 + ... + 170232.

Almost surely, 2^522247212 is an apocalyptic number.

It is an amenable number.

522247212 is an abundant number, since it is smaller than the sum of its proper divisors (828582268).

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

522247212 is a wasteful number, since it uses less digits than its factorization.

522247212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337422 (or 337417 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 522247212 is about 22852.7287648543. The cubic root of 522247212 is about 805.3018746178.

Adding to 522247212 its reverse (212742225), we get a palindrome (734989437).

The spelling of 522247212 in words is "five hundred twenty-two million, two hundred forty-seven thousand, two hundred twelve".