227684916 has 54 divisors (see below), whose sum is σ = 596660610. Its totient is φ = 73120992.

The previous prime is 227684911. The next prime is 227684929. The reversal of 227684916 is 619486722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 196280100 + 31404816 = 14010^2 + 5604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227684911) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 487315 + ... + 487781.

Almost surely, 2^227684916 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 227684916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298330305).

227684916 is an abundant number, since it is smaller than the sum of its proper divisors (368975694).

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

227684916 is a wasteful number, since it uses less digits than its factorization.

227684916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 501 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 227684916 is about 15089.2317895909. The cubic root of 227684916 is about 610.6299288606.

The spelling of 227684916 in words is "two hundred twenty-seven million, six hundred eighty-four thousand, nine hundred sixteen".