181106422 has 8 divisors (see below), whose sum is σ = 310468176. Its totient is φ = 77617032.

The previous prime is 181106417. The next prime is 181106449. The reversal of 181106422 is 224601181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468073 + ... + 6468100.

It is an arithmetic number, because the mean of its divisors is an integer number (38808522).

Almost surely, 2^181106422 is an apocalyptic number.

181106422 is a deficient number, since it is larger than the sum of its proper divisors (129361754).

181106422 is a wasteful number, since it uses less digits than its factorization.

181106422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936182.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 181106422 is about 13457.5786083530. The cubic root of 181106422 is about 565.7761250062.

The spelling of 181106422 in words is "one hundred eighty-one million, one hundred six thousand, four hundred twenty-two".