227920228 has 12 divisors (see below), whose sum is σ = 398967660. Its totient is φ = 113929472.

The previous prime is 227920213. The next prime is 227920229. The reversal of 227920228 is 822029722.

227920228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112529664 + 115390564 = 10608^2 + 10742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227920193 and 227920202.

It is not an unprimeable number, because it can be changed into a prime (227920229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20928 + ... + 29896.

It is an arithmetic number, because the mean of its divisors is an integer number (33247305).

Almost surely, 2^227920228 is an apocalyptic number.

It is an amenable number.

227920228 is a deficient number, since it is larger than the sum of its proper divisors (171047432).

227920228 is a wasteful number, since it uses less digits than its factorization.

227920228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 227920228 is about 15097.0271245699. The cubic root of 227920228 is about 610.8402181207.

The spelling of 227920228 in words is "two hundred twenty-seven million, nine hundred twenty thousand, two hundred twenty-eight".