522747122 has 4 divisors (see below), whose sum is σ = 784120686. Its totient is φ = 261373560.

The previous prime is 522747103. The next prime is 522747131. The reversal of 522747122 is 221747225.

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., 522625321 + 121801 = 22861^2 + 349^2 .

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, 130686779 + ... + 130686782.

Almost surely, 2^522747122 is an apocalyptic number.

522747122 is a deficient number, since it is larger than the sum of its proper divisors (261373564).

522747122 is a wasteful number, since it uses less digits than its factorization.

522747122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261373563.

The product of its digits is 15680, while the sum is 32.

The square root of 522747122 is about 22863.6637921397. The cubic root of 522747122 is about 805.5587453526.

The spelling of 522747122 in words is "five hundred twenty-two million, seven hundred forty-seven thousand, one hundred twenty-two".