505711227 has 16 divisors (see below), whose sum is σ = 791436032. Its totient is φ = 281167200.

The previous prime is 505711183. The next prime is 505711229. The reversal of 505711227 is 722117505.

It is not a de Polignac number, because 505711227 - 2⁸ = 505710971 is a prime.

It is a super-2 number, since 2×505711227² = 511487690227691058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505711194 and 505711203.

It is not an unprimeable number, because it can be changed into a prime (505711229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324649 + ... + 326202.

It is an arithmetic number, because the mean of its divisors is an integer number (49464752).

Almost surely, 2^505711227 is an apocalyptic number.

505711227 is a deficient number, since it is larger than the sum of its proper divisors (285724805).

505711227 is a wasteful number, since it uses less digits than its factorization.

505711227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650898.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 505711227 is about 22488.0240794962. The cubic root of 505711227 is about 796.7110948031.

The spelling of 505711227 in words is "five hundred five million, seven hundred eleven thousand, two hundred twenty-seven".