505208422 has 4 divisors (see below), whose sum is σ = 757812636. Its totient is φ = 252604210.

The previous prime is 505208393. The next prime is 505208447. The reversal of 505208422 is 224802505.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126302104 + ... + 126302107.

It is an arithmetic number, because the mean of its divisors is an integer number (189453159).

Almost surely, 2^505208422 is an apocalyptic number.

505208422 is a deficient number, since it is larger than the sum of its proper divisors (252604214).

505208422 is a wasteful number, since it uses less digits than its factorization.

505208422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252604213.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 505208422 is about 22476.8419045025. The cubic root of 505208422 is about 796.4469630637.

The spelling of 505208422 in words is "five hundred five million, two hundred eight thousand, four hundred twenty-two".