190822189 has 4 divisors (see below), whose sum is σ = 190915200. Its totient is φ = 190729180.

The previous prime is 190822171. The next prime is 190822193. The reversal of 190822189 is 981228091.

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 190822189 - 2⁵ = 190822157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190822109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43357 + ... + 47554.

It is an arithmetic number, because the mean of its divisors is an integer number (47728800).

Almost surely, 2^190822189 is an apocalyptic number.

It is an amenable number.

190822189 is a deficient number, since it is larger than the sum of its proper divisors (93011).

190822189 is an equidigital number, since it uses as much as digits as its factorization.

190822189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93010.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 190822189 is about 13813.8404869899. The cubic root of 190822189 is about 575.7177567272.

The spelling of 190822189 in words is "one hundred ninety million, eight hundred twenty-two thousand, one hundred eighty-nine".