522125122 has 8 divisors (see below), whose sum is σ = 783373500. Its totient is φ = 261000624.

The previous prime is 522125117. The next prime is 522125137. The reversal of 522125122 is 221521225.

It can be written as a sum of positive squares in 2 ways, for example, as 494573121 + 27552001 = 22239^2 + 5249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×522125122² = 545229286047029768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522125093 and 522125102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19597 + ... + 37792.

Almost surely, 2^522125122 is an apocalyptic number.

522125122 is a deficient number, since it is larger than the sum of its proper divisors (261248378).

522125122 is a wasteful number, since it uses less digits than its factorization.

522125122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61940.

The product of its digits is 800, while the sum is 22.

The square root of 522125122 is about 22850.0573741074. The cubic root of 522125122 is about 805.2391157262.

Adding to 522125122 its reverse (221521225), we get a palindrome (743646347).

The spelling of 522125122 in words is "five hundred twenty-two million, one hundred twenty-five thousand, one hundred twenty-two".