522500422 has 4 divisors (see below), whose sum is σ = 783750636. Its totient is φ = 261250210.

The previous prime is 522500413. The next prime is 522500449. The reversal of 522500422 is 224005225.

It is a happy number.

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

It is a super-3 number, since 3×522500422³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 522500393 and 522500402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130625104 + ... + 130625107.

It is an arithmetic number, because the mean of its divisors is an integer number (195937659).

Almost surely, 2^522500422 is an apocalyptic number.

522500422 is a deficient number, since it is larger than the sum of its proper divisors (261250214).

522500422 is a wasteful number, since it uses less digits than its factorization.

522500422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261250213.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 522500422 is about 22858.2681321223. The cubic root of 522500422 is about 805.4320029917.

Adding to 522500422 its reverse (224005225), we get a palindrome (746505647).

The spelling of 522500422 in words is "five hundred twenty-two million, five hundred thousand, four hundred twenty-two".