109999228 has 12 divisors (see below), whose sum is σ = 197194032. Its totient is φ = 53658080.

The previous prime is 109999213. The next prime is 109999229. The reversal of 109999228 is 822999901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109999229) 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, 335200 + ... + 335527.

It is an arithmetic number, because the mean of its divisors is an integer number (16432836).

Almost surely, 2^109999228 is an apocalyptic number.

It is an amenable number.

109999228 is a deficient number, since it is larger than the sum of its proper divisors (87194804).

109999228 is a wasteful number, since it uses less digits than its factorization.

109999228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670772 (or 670770 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 109999228 is about 10488.0516779810. The cubic root of 109999228 is about 479.1408648018.

The spelling of 109999228 in words is "one hundred nine million, nine hundred ninety-nine thousand, two hundred twenty-eight".