522012422 has 16 divisors (see below), whose sum is σ = 828384000. Its totient is φ = 246022920.

The previous prime is 522012419. The next prime is 522012431. The reversal of 522012422 is 224210225.

It is a junction number, because it is equal to n+sod(n) for n = 522012394 and 522012403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26954 + ... + 42077.

It is an arithmetic number, because the mean of its divisors is an integer number (51774000).

Almost surely, 2^522012422 is an apocalyptic number.

522012422 is a deficient number, since it is larger than the sum of its proper divisors (306371578).

522012422 is a wasteful number, since it uses less digits than its factorization.

522012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69251.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 522012422 is about 22847.5911640593. The cubic root of 522012422 is about 805.1811749666.

Adding to 522012422 its reverse (224210225), we get a palindrome (746222647).

The spelling of 522012422 in words is "five hundred twenty-two million, twelve thousand, four hundred twenty-two".