522139822342 has 4 divisors (see below), whose sum is σ = 783209733516. Its totient is φ = 261069911170.

The previous prime is 522139822331. The next prime is 522139822357. The reversal of 522139822342 is 243228931225.

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

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, 130534955584 + ... + 130534955587.

It is an arithmetic number, because the mean of its divisors is an integer number (195802433379).

Almost surely, 2^522139822342 is an apocalyptic number.

522139822342 is a deficient number, since it is larger than the sum of its proper divisors (261069911174).

522139822342 is a wasteful number, since it uses less digits than its factorization.

522139822342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261069911173.

The product of its digits is 414720, while the sum is 43.

The spelling of 522139822342 in words is "five hundred twenty-two billion, one hundred thirty-nine million, eight hundred twenty-two thousand, three hundred forty-two".