285625227 has 8 divisors (see below), whose sum is σ = 393118720. Its totient is φ = 184274280.

The previous prime is 285625189. The next prime is 285625259. The reversal of 285625227 is 722526582.

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

It is not a de Polignac number, because 285625227 - 2²² = 281430923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285625127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535527 + ... + 1535712.

It is an arithmetic number, because the mean of its divisors is an integer number (49139840).

Almost surely, 2^285625227 is an apocalyptic number.

285625227 is a deficient number, since it is larger than the sum of its proper divisors (107493493).

285625227 is a wasteful number, since it uses less digits than its factorization.

285625227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071273.

The product of its digits is 134400, while the sum is 39.

The square root of 285625227 is about 16900.4504969542. The cubic root of 285625227 is about 658.5653156420.

The spelling of 285625227 in words is "two hundred eighty-five million, six hundred twenty-five thousand, two hundred twenty-seven".