522002142 has 24 divisors (see below), whose sum is σ = 1161573816. Its totient is φ = 169297776.

The previous prime is 522002123. The next prime is 522002171. The reversal of 522002142 is 241200225.

522002142 is a `hidden beast` number, since 522 + 0 + 0 + 2 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391228 + ... + 392559.

It is an arithmetic number, because the mean of its divisors is an integer number (48398909).

Almost surely, 2^522002142 is an apocalyptic number.

522002142 is an abundant number, since it is smaller than the sum of its proper divisors (639571674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522002142 is a wasteful number, since it uses less digits than its factorization.

522002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783832 (or 783829 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 522002142 is about 22847.3661939402. The cubic root of 522002142 is about 805.1758894495.

Adding to 522002142 its reverse (241200225), we get a palindrome (763202367).

The spelling of 522002142 in words is "five hundred twenty-two million, two thousand, one hundred forty-two".