109422 has 12 divisors (see below), whose sum is σ = 237120. Its totient is φ = 36468.

The previous prime is 109397. The next prime is 109423. The reversal of 109422 is 224901.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6079 = 109422 / (1 + 0 + 9 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 109395 and 109404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109423) by changing a digit.

109422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3022 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (19760).

2¹⁰⁹⁴²² is an apocalyptic number.

109422 is an abundant number, since it is smaller than the sum of its proper divisors (127698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109422 is a wasteful number, since it uses less digits than its factorization.

109422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087 (or 6084 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 109422 is about 330.7899635721. The cubic root of 109422 is about 47.8301287038.

Subtracting from 109422 its product of nonzero digits (144), we obtain a triangular number (109278 = T₄₆₇).

The spelling of 109422 in words is "one hundred nine thousand, four hundred twenty-two".