196422720 has 112 divisors (see below), whose sum is σ = 671657280. Its totient is φ = 48347136.

The previous prime is 196422719. The next prime is 196422757. The reversal of 196422720 is 27224691.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4611 + ... + 20349.

It is an arithmetic number, because the mean of its divisors is an integer number (5996940).

Almost surely, 2^196422720 is an apocalyptic number.

196422720 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 196422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335828640).

196422720 is an abundant number, since it is smaller than the sum of its proper divisors (475234560).

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

196422720 is a wasteful number, since it uses less digits than its factorization.

196422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15772 (or 15762 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 196422720 is about 14015.0890114904. The cubic root of 196422720 is about 581.2958738219.

The spelling of 196422720 in words is "one hundred ninety-six million, four hundred twenty-two thousand, seven hundred twenty".