196622844 has 48 divisors (see below), whose sum is σ = 502199040. Its totient is φ = 59379840.

The previous prime is 196622843. The next prime is 196622851. The reversal of 196622844 is 448226691.

It is a junction number, because it is equal to n+sod(n) for n = 196622796 and 196622805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196622843) 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 15 ways as a sum of consecutive naturals, for example, 38937 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (10462480).

Almost surely, 2^196622844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196622844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251099520).

196622844 is an abundant number, since it is smaller than the sum of its proper divisors (305576196).

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

196622844 is a wasteful number, since it uses less digits than its factorization.

196622844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090 (or 5088 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 196622844 is about 14022.2267846444. The cubic root of 196622844 is about 581.4932233105.

The spelling of 196622844 in words is "one hundred ninety-six million, six hundred twenty-two thousand, eight hundred forty-four".