109109228 has 6 divisors (see below), whose sum is σ = 190941156. Its totient is φ = 54554612.

The previous prime is 109109219. The next prime is 109109233. The reversal of 109109228 is 822901901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109109194 and 109109203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13638650 + ... + 13638657.

It is an arithmetic number, because the mean of its divisors is an integer number (31823526).

Almost surely, 2^109109228 is an apocalyptic number.

It is an amenable number.

109109228 is a deficient number, since it is larger than the sum of its proper divisors (81831928).

109109228 is a wasteful number, since it uses less digits than its factorization.

109109228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277311 (or 27277309 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 109109228 is about 10445.5362715372. The cubic root of 109109228 is about 477.8451264393.

The spelling of 109109228 in words is "one hundred nine million, one hundred nine thousand, two hundred twenty-eight".