505022 has 8 divisors (see below), whose sum is σ = 865776. Its totient is φ = 216432.

The previous prime is 504991. The next prime is 505027. The reversal of 505022 is 220505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 36073 = 505022 / (5 + 0 + 5 + 0 + 2 + 2).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 504988 and 505006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505027) by changing a digit.

505022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18023 + ... + 18050.

It is an arithmetic number, because the mean of its divisors is an integer number (108222).

2⁵⁰⁵⁰²² is an apocalyptic number.

505022 is a deficient number, since it is larger than the sum of its proper divisors (360754).

505022 is a wasteful number, since it uses less digits than its factorization.

505022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36082.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 505022 is about 710.6489991550. The cubic root of 505022 is about 79.6348987987.

Adding to 505022 its reverse (220505), we get a palindrome (725527).

The spelling of 505022 in words is "five hundred five thousand, twenty-two".