522015311122342 has 4 divisors (see below), whose sum is σ = 783022966683516. Its totient is φ = 261007655561170.

The previous prime is 522015311122339. The next prime is 522015311122343. The reversal of 522015311122342 is 243221113510225.

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

It is a junction number, because it is equal to n+sod(n) for n = 522015311122298 and 522015311122307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522015311122343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130503827780584 + ... + 130503827780587.

It is an arithmetic number, because the mean of its divisors is an integer number (195755741670879).

Almost surely, 2^{522015311122342} is an apocalyptic number.

522015311122342 is a deficient number, since it is larger than the sum of its proper divisors (261007655561174).

522015311122342 is a wasteful number, since it uses less digits than its factorization.

522015311122342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261007655561173.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 522015311122342 its reverse (243221113510225), we get a palindrome (765236424632567).

The spelling of 522015311122342 in words is "five hundred twenty-two trillion, fifteen billion, three hundred eleven million, one hundred twenty-two thousand, three hundred forty-two".