227381808 has 80 divisors (see below), whose sum is σ = 610675200. Its totient is φ = 72817920.

The previous prime is 227381789. The next prime is 227381863. The reversal of 227381808 is 808183722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527353 + ... + 527783.

It is an arithmetic number, because the mean of its divisors is an integer number (7633440).

Almost surely, 2^227381808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227381808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305337600).

227381808 is an abundant number, since it is smaller than the sum of its proper divisors (383293392).

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

227381808 is a wasteful number, since it uses less digits than its factorization.

227381808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 227381808 is about 15079.1845933393. The cubic root of 227381808 is about 610.3588393019.

The spelling of 227381808 in words is "two hundred twenty-seven million, three hundred eighty-one thousand, eight hundred eight".