109822909 has 4 divisors (see below), whose sum is σ = 125511904. Its totient is φ = 94133916.

The previous prime is 109822891. The next prime is 109822931. The reversal of 109822909 is 909228901.

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 109822909 - 2⁷ = 109822781 is a prime.

It is a super-2 number, since 2×109822909² = 24122142682444562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109822939) 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, 7844487 + ... + 7844500.

It is an arithmetic number, because the mean of its divisors is an integer number (31377976).

Almost surely, 2^109822909 is an apocalyptic number.

It is an amenable number.

109822909 is a deficient number, since it is larger than the sum of its proper divisors (15688995).

109822909 is an equidigital number, since it uses as much as digits as its factorization.

109822909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688994.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 109822909 is about 10479.6425988676. The cubic root of 109822909 is about 478.8847211337.

The spelling of 109822909 in words is "one hundred nine million, eight hundred twenty-two thousand, nine hundred nine".