109522189 has 4 divisors (see below), whose sum is σ = 125168224. Its totient is φ = 93876156.

The previous prime is 109522169. The next prime is 109522201. The reversal of 109522189 is 981225901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 981225901 = 43 ⋅22819207.

It is a cyclic number.

It is not a de Polignac number, because 109522189 - 2¹¹ = 109520141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109522139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7823007 + ... + 7823020.

It is an arithmetic number, because the mean of its divisors is an integer number (31292056).

Almost surely, 2^109522189 is an apocalyptic number.

It is an amenable number.

109522189 is a deficient number, since it is larger than the sum of its proper divisors (15646035).

109522189 is an equidigital number, since it uses as much as digits as its factorization.

109522189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646034.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 109522189 is about 10465.2849459535. The cubic root of 109522189 is about 478.4472232893.

The spelling of 109522189 in words is "one hundred nine million, five hundred twenty-two thousand, one hundred eighty-nine".