522289284 has 24 divisors (see below), whose sum is σ = 1329463968. Its totient is φ = 158269440.

The previous prime is 522289241. The next prime is 522289289. The reversal of 522289284 is 482982225.

It is not an unprimeable number, because it can be changed into a prime (522289289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978237 + ... + 1978500.

It is an arithmetic number, because the mean of its divisors is an integer number (55394332).

Almost surely, 2^522289284 is an apocalyptic number.

It is an amenable number.

522289284 is an abundant number, since it is smaller than the sum of its proper divisors (807174684).

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

522289284 is a wasteful number, since it uses less digits than its factorization.

522289284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956755 (or 3956753 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 522289284 is about 22853.6492490806. The cubic root of 522289284 is about 805.3234989558.

The spelling of 522289284 in words is "five hundred twenty-two million, two hundred eighty-nine thousand, two hundred eighty-four".