227728312 has 16 divisors (see below), whose sum is σ = 487989360. Its totient is φ = 97597824.

The previous prime is 227728307. The next prime is 227728327. The reversal of 227728312 is 213827722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033233 + ... + 2033344.

It is an arithmetic number, because the mean of its divisors is an integer number (30499335).

Almost surely, 2^227728312 is an apocalyptic number.

It is an amenable number.

227728312 is an abundant number, since it is smaller than the sum of its proper divisors (260261048).

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

227728312 is a wasteful number, since it uses less digits than its factorization.

227728312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066590 (or 4066586 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 227728312 is about 15090.6697001823. The cubic root of 227728312 is about 610.6687210849.

The spelling of 227728312 in words is "two hundred twenty-seven million, seven hundred twenty-eight thousand, three hundred twelve".