512542422 has 24 divisors (see below), whose sum is σ = 1269152976. Its totient is φ = 146440656.

The previous prime is 512542411. The next prime is 512542439. The reversal of 512542422 is 224245215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2033773 + ... + 2034024.

It is an arithmetic number, because the mean of its divisors is an integer number (52881374).

Almost surely, 2^512542422 is an apocalyptic number.

512542422 is an abundant number, since it is smaller than the sum of its proper divisors (756610554).

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

512542422 is a wasteful number, since it uses less digits than its factorization.

512542422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067812 (or 4067809 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 512542422 is about 22639.3997711953. The cubic root of 512542422 is about 800.2824117511.

Adding to 512542422 its reverse (224245215), we get a palindrome (736787637).

The spelling of 512542422 in words is "five hundred twelve million, five hundred forty-two thousand, four hundred twenty-two".