109042228 has 6 divisors (see below), whose sum is σ = 190823906. Its totient is φ = 54521112.

The previous prime is 109042211. The next prime is 109042229. The reversal of 109042228 is 822240901.

It can be written as a sum of positive squares in only one way, i.e., 67207204 + 41835024 = 8198^2 + 6468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109042196 and 109042205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109042229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13630275 + ... + 13630282.

Almost surely, 2^109042228 is an apocalyptic number.

It is an amenable number.

109042228 is a deficient number, since it is larger than the sum of its proper divisors (81781678).

109042228 is a wasteful number, since it uses less digits than its factorization.

109042228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27260561 (or 27260559 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 109042228 is about 10442.3286674956. The cubic root of 109042228 is about 477.7472973204.

The spelling of 109042228 in words is "one hundred nine million, forty-two thousand, two hundred twenty-eight".