531450422 has 16 divisors (see below), whose sum is σ = 836386944. Its totient is φ = 252936000.

The previous prime is 531450419. The next prime is 531450427. The reversal of 531450422 is 224054135.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 531450391 and 531450400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531450427) 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, 66479 + ... + 74042.

It is an arithmetic number, because the mean of its divisors is an integer number (52274184).

Almost surely, 2^531450422 is an apocalyptic number.

531450422 is a deficient number, since it is larger than the sum of its proper divisors (304936522).

531450422 is a wasteful number, since it uses less digits than its factorization.

531450422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140615.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 531450422 is about 23053.2084968665. The cubic root of 531450422 is about 810.0047868436.

The spelling of 531450422 in words is "five hundred thirty-one million, four hundred fifty thousand, four hundred twenty-two".