197082219 has 4 divisors (see below), whose sum is σ = 262776296. Its totient is φ = 131388144.

The previous prime is 197082217. The next prime is 197082227. The reversal of 197082219 is 912280791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 197082219 - 2¹ = 197082217 is a prime.

It is a super-2 number, since 2×197082219² = 77682802091927922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197082217) 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, 32847034 + ... + 32847039.

It is an arithmetic number, because the mean of its divisors is an integer number (65694074).

Almost surely, 2^197082219 is an apocalyptic number.

197082219 is a deficient number, since it is larger than the sum of its proper divisors (65694077).

197082219 is an equidigital number, since it uses as much as digits as its factorization.

197082219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65694076.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 197082219 is about 14038.5974726822. The cubic root of 197082219 is about 581.9457236143.

The spelling of 197082219 in words is "one hundred ninety-seven million, eighty-two thousand, two hundred nineteen".