522222423 has 8 divisors (see below), whose sum is σ = 696881136. Its totient is φ = 347856000.

The previous prime is 522222413. The next prime is 522222427. The reversal of 522222423 is 324222225.

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

It is not a de Polignac number, because 522222423 - 2¹² = 522218327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522222393 and 522222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522222427) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 68868 + ... + 76073.

It is an arithmetic number, because the mean of its divisors is an integer number (87110142).

Almost surely, 2^522222423 is an apocalyptic number.

522222423 is a deficient number, since it is larger than the sum of its proper divisors (174658713).

522222423 is a wasteful number, since it uses less digits than its factorization.

522222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146145.

The product of its digits is 3840, while the sum is 24.

The square root of 522222423 is about 22852.1863943037. The cubic root of 522222423 is about 805.2891329229.

Adding to 522222423 its reverse (324222225), we get a palindrome (846444648).

It can be divided in two parts, 52222 and 2423, that added together give a palindrome (54645).

The spelling of 522222423 in words is "five hundred twenty-two million, two hundred twenty-two thousand, four hundred twenty-three".