109775229 has 4 divisors (see below), whose sum is σ = 146366976. Its totient is φ = 73183484.

The previous prime is 109775227. The next prime is 109775261. The reversal of 109775229 is 922577901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109775229 - 2¹ = 109775227 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109775227) 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, 18295869 + ... + 18295874.

It is an arithmetic number, because the mean of its divisors is an integer number (36591744).

Almost surely, 2^109775229 is an apocalyptic number.

It is an amenable number.

109775229 is a deficient number, since it is larger than the sum of its proper divisors (36591747).

109775229 is an equidigital number, since it uses as much as digits as its factorization.

109775229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36591746.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 109775229 is about 10477.3674651603. The cubic root of 109775229 is about 478.8154079431.

The spelling of 109775229 in words is "one hundred nine million, seven hundred seventy-five thousand, two hundred twenty-nine".