505225122 has 16 divisors (see below), whose sum is σ = 1010674560. Its totient is φ = 168370992.

The previous prime is 505225111. The next prime is 505225139. The reversal of 505225122 is 221522505.

It is a junction number, because it is equal to n+sod(n) for n = 505225092 and 505225101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39879 + ... + 50997.

It is an arithmetic number, because the mean of its divisors is an integer number (63167160).

Almost surely, 2^505225122 is an apocalyptic number.

505225122 is an abundant number, since it is smaller than the sum of its proper divisors (505449438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505225122 is a wasteful number, since it uses less digits than its factorization.

505225122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 505225122 is about 22477.2133949028. The cubic root of 505225122 is about 796.4557386615.

Adding to 505225122 its reverse (221522505), we get a palindrome (726747627).

The spelling of 505225122 in words is "five hundred five million, two hundred twenty-five thousand, one hundred twenty-two".