505223132 has 12 divisors (see below), whose sum is σ = 887404896. Its totient is φ = 251678880.

The previous prime is 505223087. The next prime is 505223141. The reversal of 505223132 is 231322505.

It is a junction number, because it is equal to n+sod(n) for n = 505223098 and 505223107.

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 in 3 ways as a sum of consecutive naturals, for example, 231953 + ... + 234120.

It is an arithmetic number, because the mean of its divisors is an integer number (73950408).

Almost surely, 2^505223132 is an apocalyptic number.

It is an amenable number.

505223132 is a deficient number, since it is larger than the sum of its proper divisors (382181764).

505223132 is a wasteful number, since it uses less digits than its factorization.

505223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466348 (or 466346 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 505223132 is about 22477.1691278061. The cubic root of 505223132 is about 796.4546929567.

Adding to 505223132 its reverse (231322505), we get a palindrome (736545637).

The spelling of 505223132 in words is "five hundred five million, two hundred twenty-three thousand, one hundred thirty-two".