196224420 has 144 divisors (see below), whose sum is σ = 660054528. Its totient is φ = 43384320.

The previous prime is 196224403. The next prime is 196224433. The reversal of 196224420 is 24422691.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90064 + ... + 92216.

It is an arithmetic number, because the mean of its divisors is an integer number (4583712).

Almost surely, 2^196224420 is an apocalyptic number.

196224420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196224420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330027264).

196224420 is an abundant number, since it is smaller than the sum of its proper divisors (463830108).

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

196224420 is a wasteful number, since it uses less digits than its factorization.

196224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 196224420 is about 14008.0127070188. The cubic root of 196224420 is about 581.1001907827.

It can be divided in two parts, 19622 and 4420, that added together give a palindrome (24042).

The spelling of 196224420 in words is "one hundred ninety-six million, two hundred twenty-four thousand, four hundred twenty".