505422442 has 32 divisors (see below), whose sum is σ = 898589952. Its totient is φ = 208687104.

The previous prime is 505422433. The next prime is 505422451. The reversal of 505422442 is 244224505.

It is an interprime number because it is at equal distance from previous prime (505422433) and next prime (505422451).

It is a super-3 number, since 3×505422442³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505422442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48618 + ... + 58090.

It is an arithmetic number, because the mean of its divisors is an integer number (28080936).

Almost surely, 2^505422442 is an apocalyptic number.

505422442 is a deficient number, since it is larger than the sum of its proper divisors (393167510).

505422442 is a wasteful number, since it uses less digits than its factorization.

505422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 505422442 is about 22481.6023005479. The cubic root of 505422442 is about 796.5594127032.

Adding to 505422442 its reverse (244224505), we get a palindrome (749646947).

The spelling of 505422442 in words is "five hundred five million, four hundred twenty-two thousand, four hundred forty-two".