522130346 has 4 divisors (see below), whose sum is σ = 783195522. Its totient is φ = 261065172.

The previous prime is 522130327. The next prime is 522130351. The reversal of 522130346 is 643031225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363093025 + 159037321 = 19055^2 + 12611^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130532585 + ... + 130532588.

Almost surely, 2^522130346 is an apocalyptic number.

522130346 is a deficient number, since it is larger than the sum of its proper divisors (261065176).

522130346 is a wasteful number, since it uses less digits than its factorization.

522130346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261065175.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 522130346 is about 22850.1716842566. The cubic root of 522130346 is about 805.2418012608.

The spelling of 522130346 in words is "five hundred twenty-two million, one hundred thirty thousand, three hundred forty-six".