196881822 has 36 divisors (see below), whose sum is σ = 431176824. Its totient is φ = 64927080.

The previous prime is 196881799. The next prime is 196881823. The reversal of 196881822 is 228188691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196881823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 190447 + ... + 191477.

It is an arithmetic number, because the mean of its divisors is an integer number (11977134).

Almost surely, 2^196881822 is an apocalyptic number.

196881822 is an abundant number, since it is smaller than the sum of its proper divisors (234295002).

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

196881822 is a wasteful number, since it uses less digits than its factorization.

196881822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1139 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 196881822 is about 14031.4582991220. The cubic root of 196881822 is about 581.7484121786.

The spelling of 196881822 in words is "one hundred ninety-six million, eight hundred eighty-one thousand, eight hundred twenty-two".