227285856 has 72 divisors (see below), whose sum is σ = 738685584. Its totient is φ = 64938240.

The previous prime is 227285833. The next prime is 227285867. The reversal of 227285856 is 658582722.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54355 + ... + 58386.

It is an arithmetic number, because the mean of its divisors is an integer number (10259522).

Almost surely, 2^227285856 is an apocalyptic number.

It is an amenable number.

227285856 is an abundant number, since it is smaller than the sum of its proper divisors (511399728).

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

227285856 is a wasteful number, since it uses less digits than its factorization.

227285856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112764 (or 112753 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 227285856 is about 15076.0026532234. The cubic root of 227285856 is about 610.2729728735.

The spelling of 227285856 in words is "two hundred twenty-seven million, two hundred eighty-five thousand, eight hundred fifty-six".