109268228 has 6 divisors (see below), whose sum is σ = 191219406. Its totient is φ = 54634112.

The previous prime is 109268227. The next prime is 109268251. The reversal of 109268228 is 822862901.

It can be written as a sum of positive squares in only one way, i.e., 100962304 + 8305924 = 10048^2 + 2882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109268191 and 109268200.

It is not an unprimeable number, because it can be changed into a prime (109268227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13658525 + ... + 13658532.

It is an arithmetic number, because the mean of its divisors is an integer number (31869901).

Almost surely, 2^109268228 is an apocalyptic number.

It is an amenable number.

109268228 is a deficient number, since it is larger than the sum of its proper divisors (81951178).

109268228 is a wasteful number, since it uses less digits than its factorization.

109268228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27317061 (or 27317059 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 109268228 is about 10453.1444073063. The cubic root of 109268228 is about 478.0771278938.

The spelling of 109268228 in words is "one hundred nine million, two hundred sixty-eight thousand, two hundred twenty-eight".