522284378 has 64 divisors (see below), whose sum is σ = 1018054656. Its totient is φ = 195048000.

The previous prime is 522284359. The next prime is 522284417. The reversal of 522284378 is 873482225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403913 + ... + 405203.

It is an arithmetic number, because the mean of its divisors is an integer number (15907104).

Almost surely, 2^522284378 is an apocalyptic number.

522284378 is a deficient number, since it is larger than the sum of its proper divisors (495770278).

522284378 is a wasteful number, since it uses less digits than its factorization.

522284378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its digits is 215040, while the sum is 41.

The square root of 522284378 is about 22853.5419136728. The cubic root of 522284378 is about 805.3209774098.

The spelling of 522284378 in words is "five hundred twenty-two million, two hundred eighty-four thousand, three hundred seventy-eight".