531456422 has 16 divisors (see below), whose sum is σ = 912583680. Its totient is φ = 227388168.

The previous prime is 531456421. The next prime is 531456433. The reversal of 531456422 is 224654135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531456421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22772 + ... + 39767.

It is an arithmetic number, because the mean of its divisors is an integer number (57036480).

Almost surely, 2^531456422 is an apocalyptic number.

531456422 is a deficient number, since it is larger than the sum of its proper divisors (381127258).

531456422 is a wasteful number, since it uses less digits than its factorization.

531456422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63155.

The product of its digits is 28800, while the sum is 32.

The square root of 531456422 is about 23053.3386302288. The cubic root of 531456422 is about 810.0078351119.

The spelling of 531456422 in words is "five hundred thirty-one million, four hundred fifty-six thousand, four hundred twenty-two".