285006227 has 16 divisors (see below), whose sum is σ = 322196832. Its totient is φ = 249822720.

The previous prime is 285006223. The next prime is 285006247. The reversal of 285006227 is 722600582.

It is a cyclic number.

It is not a de Polignac number, because 285006227 - 2² = 285006223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285006193 and 285006202.

It is not an unprimeable number, because it can be changed into a prime (285006221) 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, 42893 + ... + 49089.

It is an arithmetic number, because the mean of its divisors is an integer number (20137302).

Almost surely, 2^285006227 is an apocalyptic number.

285006227 is a deficient number, since it is larger than the sum of its proper divisors (37190605).

285006227 is a wasteful number, since it uses less digits than its factorization.

285006227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 285006227 is about 16882.1274429498. The cubic root of 285006227 is about 658.0892293451.

The spelling of 285006227 in words is "two hundred eighty-five million, six thousand, two hundred twenty-seven".