522122122 has 16 divisors (see below), whose sum is σ = 837008640. Its totient is φ = 243406528.

The previous prime is 522122101. The next prime is 522122123. The reversal of 522122122 is 221221225.

It is a super-2 number, since 2×522122122² = 545223020563565768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522122122.

It is not an unprimeable number, because it can be changed into a prime (522122123) 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, 68122 + ... + 75397.

It is an arithmetic number, because the mean of its divisors is an integer number (52313040).

Almost surely, 2^522122122 is an apocalyptic number.

522122122 is a deficient number, since it is larger than the sum of its proper divisors (314886518).

522122122 is a wasteful number, since it uses less digits than its factorization.

522122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143645.

The product of its digits is 320, while the sum is 19.

The square root of 522122122 is about 22849.9917286637. The cubic root of 522122122 is about 805.2375734893.

Adding to 522122122 its reverse (221221225), we get a palindrome (743343347).

The spelling of 522122122 in words is "five hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".